MC Physics 10 Summer 2014 Finals (Multiple Choice)

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elitesat
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279448
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MC Physics 10 Summer 2014 Finals (Multiple Choice)
Updated:
2014-07-23 23:26:56
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Physics
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MC Physics 10 Summer 2014 Finals for multiple choice questions.
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  1. A man weighing 800 N stands at rest on two bathrooms scales so that his weight is distributed evenly over both scales. The reading on each scale is

    A) 200 N
    B) 800 N
    C) None of these
    D) 400 N
    D) 400 N
    (this multiple choice question has been scrambled)
  2. Galileo's use of inclined planes allowed him to effectively

    A) Slow down the acceleration of free fall
    B) Increase the acceleration beyond that of free fall
    C) Eliminate the acceleration of free fall
    D) Eliminate Friction
    A) Slow down the acceleration of free fall
    (this multiple choice question has been scrambled)
  3. You are pushing a crate at a steady speed in a straight line. If friction force is 75N, how much force must you apply?

    A) Not enough information
    B) Equal to 75 N
    C) More than 75 N
    D) Less than 75 N
    B) Equal to 75 N
    (this multiple choice question has been scrambled)
  4. A cart is pushed to the right with a force of 15 N while being pulled to the left with a force of 20 N. The net force on the cart is

    A) 5 N to the left
    B) 5 N to the right
    C) 25 N to the left
    D) 25 N to the right
    A) 5 N to the left
    (this multiple choice question has been scrambled)
  5. A ball tossed vertically upward rises, reaches its highest point, and then falls back to its starting point. During this time the acceleration of the ball is always

    A) Directed upward
    B) In the direction of motion
    C) Opposite its velocity
    D) Directed downward
    D) Directed downward
    (this multiple choice question has been scrambled)
  6. A horse gallops a distance of 10 kilometers in a time of 30 minutes. Its average speed is

    A) 20 km/h
    B) 40 km/h
    C) 15 km/h
    D) 30 km/h
    A) 20 km/h
    (this multiple choice question has been scrambled)
  7. An automobile is accelerating when it is

    A) Slowing down to a stop
    B) Rounding a curve at steady speed
    C) Both of the above
    D) Neither of the above
    C) Both of the above
  8. A free-falling object has a speed of 30 m/s at one instant. Exactly 1 s later its speed will be

    A) more than 35 m/s
    B) the same
    C) 35 m/s
    D) 60 m/s
    A) more than 35 m/s
    (this multiple choice question has been scrambled)
  9. Whenever the net force on an object is zero, its acceleration

    A) is zero
    B) may be more than zero
    C) may be less than zero
    A) is zero
    (this multiple choice question has been scrambled)
  10. 10. A rock is thrown vertically into the air. At the top of its path, its acceleration in meters per second per second is

    A) zero
    B) 9.8
    C) greater than 9.8
    D) between 0 and 9.8
    B) 9.8
    (this multiple choice question has been scrambled)
  11. When the string is pulled down slowly, the top string breaks, which best illustrates the

    A) volume of the ball
    B) weight of the ball
    C) mass of the ball
    D) density of the ball

    B) weight of the ball
    (this multiple choice question has been scrambled)
  12. When the string is pulled down quickly, the bottom string breaks, which best illustrates the

    A) weight of the ball
    B) mass of the ball
    C) density of the ball
    D) volume of the ball

    B) mass of the ball
    (this multiple choice question has been scrambled)
  13. For an action force, there must be a reaction force that

    A) is exactly equal in magnitude
    B) is slightly larger in amplitude than the action force
    C) always acts in the same direction
    D) is slightly smaller in magnitude than the action force
    A) is exactly equal in magnitude
    (this multiple choice question has been scrambled)
  14. A piece of rope is pulled by two people in a tug-of-war. Each pulls with 400 N of force. What is the tension in the rope?

    A) 800 N
    B) 600 N
    C) none of these
    D) zero
    E) 400 N
    E) 400 N
    (this multiple choice question has been scrambled)
  15. When a cannon is fired, the accelerations of the cannon and cannonball are different because the

    A) ratios of force to mass are the same
    B) masses are different
    C) forces don't occur at the same time
    D) forces, although theoretically the same, in practice are not
    B) masses are different
    (this multiple choice question has been scrambled)
  16. Consider a high-speed bus colliding head-on with an innocent bug. The force of impact splatters the unfortunate bug over the windshield. Which is greater, the force on the bug or the force on the bus?

    A) Cannot say
    B) Bus
    C) Both are the same
    D) Bug
    C) Both are the same
    (this multiple choice question has been scrambled)
  17. Freight car A is moving toward identical freight car B that is at rest. When they collide, both freight cars couple together. Compared with the initial speed of freight car A, the speed of the coupled freight cars is

    A) the same
    B) half
    C) twice
    D) None of the above
    B) half
    (this multiple choice question has been scrambled)
  18. You're driving down the highway and a bug spatters into your windshield. Which undergoes the greater change in momentum during the time of contact?

    A) your car
    B) the bug
    C) both the same
    C) both the same
    (this multiple choice question has been scrambled)
  19. A fast-moving car hitting a haystack or a cement wall produces vastly different results.
    1. Do both experience the same change in momentum?
    2. Do both experience the same impulse?
    3. Do both experience the force?

    A) Yes for 1 and 2
    B) Yes for all three
    C) No for 1 and 2
    D) No for all three
    A) Yes for 1 and 2
    (this multiple choice question has been scrambled)
  20. The work done in bringing a moving car to a stop is the force of tire friction x stopping distance. If the initial speed of the car is doubled, the stopping distance is

    A) actually less
    B) about the same
    C) twice
    D) None of the above
    D) None of the above
  21. You do work when pushing a cart with a constant force. If you push the cart twice as far, then the work you do is

    A) twice as much
    B) zero
    C) less than twice as much
    D) more than twice as much
    A) twice as much
    (this multiple choice question has been scrambled)
  22. A bow is drawn so that it has 40 J of potential energy. When fired, the arrow will ideally have a kinetic energy that is

    A) 40 J
    B) less than 40 J
    C) impossible to predict without additional information
    D) more than 40 J
    A) 40 J
    (this multiple choice question has been scrambled)
  23. After rolling halfway down an incline, a marble's kinetic energy is

    A) the same as its potential energy
    B) greater than its potential energy
    C) impossible to determine
    D) less than its potential energy
    A) the same as its potential energy
    (this multiple choice question has been scrambled)
  24. The center of mass of a donut is located

    A) in the hole
    B) over a point of support
    C) near the center of gravity
    D) in material making up the donut
    A) in the hole
    (this multiple choice question has been scrambled)
  25. Suppose you double the speed at which you round a bend in the curve, by what factor must the centripetal force change to prevent you from skidding?

    A) One-quarter
    B) Half
    C) Double
    D) Four times
    D) Four times
    (this multiple choice question has been scrambled)
  26. A ring, a disk, and a solid sphere begin rolling down a hill together. The one to reach the bottom first is the

    A) Not enough information is given
    B) disk
    C) ring
    D) They all reach the bottom at the same time
    E) sphere
    E) sphere
    (this multiple choice question has been scrambled)
  27. When a twirling ice skater brings her arms inward, her rotational speed

    A) increases
    B) decreases
    C) remains the same
    A) increases
    (this multiple choice question has been scrambled)
  28. If the masses of two planets are each somehow doubled, the force of gravity between them

    A) reduces by one-quarter
    B) quadruples
    C) reduces by half
    D) doubles
    B) quadruples
    (this multiple choice question has been scrambled)
  29. When the elevator cable breaks, the elevator falls freely, so your weight reading is

    A) greater
    B) less
    C) zero
    D) the normal weight
    C) zero
    (this multiple choice question has been scrambled)
  30. The amount of gravitational force that acts on the space shuttle while in orbit is

    A) almost as much as the shuttle's weight on the Earth's surface
    B) the same as the shuttle's wight on the Earth's surface
    C) nearly  zero
    A) almost as much as the shuttle's weight on the Earth's surface
    (this multiple choice question has been scrambled)
  31. An object is placed exactly halfway between the Earth and moon. The object will fall toward the
     
    A) moon
    B) Earth
    C) neither of these
    B) Earth
    (this multiple choice question has been scrambled)
  32. The velocity of a typical projectile can be represented by horizontal and vertical components. Assuming negligible air resistance, the horizontal component along the path of the projectile

    A) decreases
    B) remains the same
    C) increases
    D) Not enough information
    B) remains the same
    (this multiple choice question has been scrambled)
  33. A satellite in circular orbit travels at a _______ speed, and a satellite in an elliptical orbit travels at a ______ speed

    A) constant, variable
    B) variable; constant
    C) slow; fast
    D) fast; slow
    A) constant, variable
    (this multiple choice question has been scrambled)
  34. A projectile is launched vertically upward at 50 m/s. If air resistance is negligible, its speed upon returning to its starting point is

    A) 50 m/s
    B) less than 50 m/s
    C) more than 50 m/s
    A) 50 m/s
    (this multiple choice question has been scrambled)
  35. A bullet fired horizontally over level ground hits the ground in 0.5 seconds.  If it had been fired with twice the speed in the same direction, it would have hit the ground in

    A) 0.5 s
    B) less than 0.5 s
    C) more than 0.5 s
    A) 0.5 s
    (this multiple choice question has been scrambled)
  36. If you add or subtract a proton to or from the nucleus of an atom, you produce

    A) an ion
    B) a completely different atom
    C) an isotope of the same atom
    D) None of the above
    B) a completely different atom
    (this multiple choice question has been scrambled)
  37. Which of the following are electrically neutral?

    A) neutron
    B) electron
    C) none of these
    D) ion
    E) proton
    A) neutron
    (this multiple choice question has been scrambled)
  38. Suppose you scale up a model machine by a factor of 3. Then its volume is

    A) 9 times as much and its surface area 27 times as much
    B) 9 times as much and its surface area 3 times as much
    C) tripled and its surface area 9 times as much
    D) 27 times as much and its surface area 9 times as much
    D) 27 times as much and its surface area 9 times as much
    (this multiple choice question has been scrambled)
  39. If the volume of an object were to double while its mass stays the same, its density would

    A) stay the same
    B) become four times as great
    C) halve
    D) double
    C) halve
    (this multiple choice question has been scrambled)
  40. Two solid blocks of identical size are submerged in water. One block is lead and the other is aluminum. Upon which is the buoyant force greater?

    A) On the aluminum block
    B) Same on both blocks
    C) There is not enough information to decide
    D) On the lead block
    B) Same on both blocks
    (this multiple choice question has been scrambled)
  41. What is the weight of water displaced by a 100-ton floating ship?

    A) 100 cubic meters
    B) depends on the ship's shape
    C) more than 100 tons
    D) 100 tons
    E) less than 100 tons
    D) 100 tons
    (this multiple choice question has been scrambled)
  42. A piston in an airtight pump is withdrawn so that the volume of the air chamber is increased 3 times. What is the change in pressure?

    A) The pressure does not change
    B) The pressure is 3 times the original pressure
    C) There is not enough information to figure this out
    D) The pressure is 1/3 the original pressure
    D) The pressure is 1/3 the original pressure
    (this multiple choice question has been scrambled)
  43. As a balloon rises higher and higher into the atmosphere, its

    A) none of these
    B) weight increases
    C) density increases
    D) mass decreases
    E) volume decreases
    A) none of these
    (this multiple choice question has been scrambled)
  44. When you touch a cold piece of ice with your finger, energy flows

    A) actually, both ways
    B) from the ice to your finger
    C) from your finger to the ice
    C) from your finger to the ice
    (this multiple choice question has been scrambled)
  45. There is twice as much molecular kinetic energy in 2 liters of boiling water as in 1 liter of boiling water. Which will be the same for both?

    A) Both A and B
    B) Thermal energy
    C) Temperature
    D) Neither A nor B
    C) Temperature
    (this multiple choice question has been scrambled)
  46. The surface of Earth loses energy to outer space due mostly to

    A) conduction
    B) radioactivity
    C) radiation
    D) convection
    C) radiation
    (this multiple choice question has been scrambled)
  47. Substances absorb heat energy by the process of

    A) radiation
    B) convection
    C) all of these
    D) conduction
    C) all of these
    (this multiple choice question has been scrambled)
  48. The process of boiling

    A) cools the water being boiled
    B) depends on atmospheric pressure
    C) is a change of phase below the water surface
    D) All of the above
    D) All of the above
  49. When a solid is changed to a liquid state, the solid

    A) absorbs energy
    B) releases energy
    C) both releases and absorbs energy
    D) neither releases nor absorbs energy
    A) absorbs energy
    (this multiple choice question has been scrambled)
  50. Your locker gets messier each week. In this case, the entropy of your locker is

    A) nonexistent
    B) decreasing
    C) hanging steady
    D) increasing
    D) increasing
    (this multiple choice question has been scrambled)
  51. When a volume of air is compressed and no heat enters or leaves, the air temperature will

    A) decrease
    B) remain unchanged
    C) increase
    C) increase
    (this multiple choice question has been scrambled)
  52. The distance between adjacent peaks in the direction of travel for a transverse wave is its

    A) period
    B) frequency
    C) wavelength
    D) amplitude
    C) wavelength
    (this multiple choice question has been scrambled)
  53. The wavelength of a longitudinal wave is the distance between

    A) Both A and B
    B) successive rarefactions
    C) successive compressions
    D) None of the above
    A) Both A and B
    (this multiple choice question has been scrambled)
  54. A standing wave occurs when

    A) the speed of the wave is zero or near zero
    B) two waves overlap
    C) a wave reflects upon itself
    D) the amplitude of a wave exceeds its wavelength
    C) a wave reflects upon itself
    (this multiple choice question has been scrambled)
  55. A Doppler effect occurs when a source of sound moves

    A) away from you
    B) either towards you or away from you
    C) in a circle around you
    D) toward you
    B) either towards you or away from you
    (this multiple choice question has been scrambled)
  56. Consider a person attending a concert that is being broadcast over the radio. The person sits about 45 m from the stage and listens to the radio broadcast with a transistor radio over one ear and a nonbroadcast sound signal with the other ear. Further suppose that the radio signal must travel all the way around the world before reaching the ear. Which signal will be hear first?

    A) Radio signal
    B) Nonbroadcast sound signal
    C) Both at the same time
    D) None of the above
    C) Both at the same time
  57. In the evening, when air directly above a pond is cooler than air above, sound across a pond tends to bend 

    A) upward
    B) downward
    C) at right angles to the ground
    D) One of the above
    B) downward
    (this multiple choice question has been scrambled)
  58. Sound travels faster in

    A) air
    B) steel
    C) water
    D) a vacuum
    E) Sound travels at about the same speed in all of the above media.
    B) steel
    (this multiple choice question has been scrambled)
  59. Sound waves cannot travel in

    A) a vacuum
    B) steel
    C) water
    D) air
    E) any of the above media
    A) a vacuum
    (this multiple choice question has been scrambled)
  60. According to Coulomb's law, a pair of particles placed twice as far apart will experience forces that are

    A) 4 times as strong
    B) half as strong
    C) one-quarter as strong
    D) twice as strong
    C) one-quarter as strong
    (this multiple choice question has been scrambled)
  61. When you brush your hair and scrape electrons from your hair, the charge of your hair is

    A) positive
    B) Neither A nor B
    C) negative
    D) Both A and B
    A) positive
    (this multiple choice question has been scrambled)
  62. A main difference between gravitational and electric forces is that electrical forces

    A) repel or attract
    B) act over shorter distances
    C) attract
    D) are weaker
    E) obey the inverse-square law
    A) repel or attract
    (this multiple choice question has been scrambled)
  63. A balloon will stick to a wooden wall if the balloon is charged

    A) positively
    B) either positively or negatively
    C) negatively
    D) None of the above choices are correct

    B) either positively or negatively
    (this multiple choice question has been scrambled)
  64. When you double the voltage in a simple electric circuit, you double

    A) the current
    B) Neither A nor B
    C) Both A and B
    D) resistance
    A) the current
    (this multiple choice question has been scrambled)
  65. When two identical lamps in a circuit are connected in parallel, the total resistance is

    A) less than the resistance of either lamp
    B) less than the resistance of each lamp
    C) the same as the resistance of each lamp
    D) None of the above
    A) less than the resistance of either lamp
    (this multiple choice question has been scrambled)
  66. As more lamps are put into a series circuit, the overall current in the power source

    A) decreases
    B) increases
    C) stays the same
    A) decreases
    (this multiple choice question has been scrambled)
  67. The source of electrons lighting an incandescent AC light bulb is

    A) the power company
    B) the source voltage
    C) electrical outlet
    D) the wire leading to the lamp
    E) atoms in the light bulb filament
    E) atoms in the light bulb filament
    (this multiple choice question has been scrambled)
  68. An electromagnet can be made stronger by

    A) Both A and B
    B) increasing the number of turns of wire
    C) increasing the current in the coil
    D) None of the above
    A) Both A and B
    (this multiple choice question has been scrambled)
  69. A motor and a generator are

    A) forms of transformers
    B) similar devices
    C) energy sources
    D) very different devices with different applications
    B) similar devices
    (this multiple choice question has been scrambled)
  70. The source of all magnetism is

    A) ferromagnetic materials
    B) none of these
    C) tiny pieces of iron
    D) tiny domains of aligned atoms
    E) moving electric charge
    E) moving electric charge
    (this multiple choice question has been scrambled)
  71. Which pole of a compass needle points to a south pole of a magnet?

    A) south pole
    B) both of these
    C) north pole
    C) north pole
    (this multiple choice question has been scrambled)
  72. More voltage is induced when a magnet is thrust into a coil

    A) Both A and B
    B) Neither A nor B
    C) more quickly
    D) more slowly
    C) more quickly
    (this multiple choice question has been scrambled)
  73. Not only is voltage induced when a magnet is thrust into a coil of wire but _______  is also induced.

    A) power
    B) current
    C) energy
    D) None of the above
    B) current
    (this multiple choice question has been scrambled)
  74. Compared to the primary voltage, the secondary voltage may be

    A) larger
    B) the same
    C) larger, smaller, or the same
    D) smaller
    E) the same or smaller, but not larger
    C) larger, smaller, or the same
    (this multiple choice question has been scrambled)
  75. A transformer actually transforms

    A) generators into motors
    B) non-safe forms of energy to safe forms of energy
    C) magnetic field lines
    D) voltage
    D) voltage
    (this multiple choice question has been scrambled)
  76. Which of these is fundamentally different from the others?

    A) Light waves
    B) Radio waves
    C) X-rays
    D) Sound waves
    D) Sound waves
    (this multiple choice question has been scrambled)
  77. If an electron vibrates up and down 1000 times each second, it generates an electromagnetic wave having a 

    A) wavelength of 1000 m
    B) frequency of 1000 Hz
    C) period of 1000 s
    D) wavelength of 1000 km
    E) speed of 1000 m/s
    B) frequency of 1000 Hz
    (this multiple choice question has been scrambled)
  78. A blue object will appear black when illuminated with

    A) cyan light
    B) magenta light
    C) blue light
    D) yellow light
    D) yellow light
    (this multiple choice question has been scrambled)
  79. The sky is blue because air molecules in the sky act as tiny

    A) mirrors which reflect only blue light
    B) scatterers of blue light
    C) none of these
    D) prisms
    E) sources of white light
    B) scatterers of blue light
    (this multiple choice question has been scrambled)
  80. Light reflecting from a smooth surface undergoes a change in

    A) frequency
    B) speed
    C) wavelength
    D) none of the above
    D) none of the above
  81. Light travels fastest in

    A) cool air
    B) warm air
    C) vacuum
    C) vacuum
    (this multiple choice question has been scrambled)
  82. The phenomenon of interference occurs for

    A) sound waves
    B) light waves
    C) Neither A nor B
    D) Both A and B
    D) Both A and B
    (this multiple choice question has been scrambled)
  83. Which of the following is a property of light waves, but not of sound waves?

    A) frequency
    B) wavelength
    C) polarization
    D) amplitude
    E) All of the above are properties of both light waves and sound waves
    C) polarization
    (this multiple choice question has been scrambled)
  84. Light is emitted when an electron

    A) neither of these
    B) is boosted to a higher energy level
    C) makes a transition to a lower energy level
    C) makes a transition to a lower energy leve
    (this multiple choice question has been scrambled)
  85. Which has the least energy per photon?

    A) Blue light
    B) Green light
    C) All have the same energy per photon
    D) Red light
    D) Red light
    (this multiple choice question has been scrambled)

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