Physics Lab Exam

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  1. The Archimedes' principle: if an object is completely submerged in the fluid the buoyant force is:
    when an object is submerged (or partially submerged) the Buoyant Force that the fluid exerts on the object is equal to the weight of the fluid displaced.
  2. True or False: Archimedes principle does not apply to partially submerged objects.
  3. For an object that is gradually submerged little by little, what happens to the buoyant force?
    the Buoyant Force increases with depth.
  4. For a floating object the buoyant force is:
    FFluidĀ = WObject
  5. The purpose of the Atwood Machine lab was to study...
    the relationship among force, mass, acceleration.
  6. For the Atwood machine, the net force, Fnet is proportional to m2-m1. If the same masses are added to both....
    hangers of the Atwood machine, then the net force will remain constant.
  7. To predict where the ball will land on the floor when the ball is shot off a table at an angle is is necessary to determine the initial speed of the ball. (T or F)
  8. Which of the following equations will describe the velocity graph?
  9. Force Vs. Time graph of a collision. What will the area between the horizontal axis and the curve of the graph physically represent?
    the impulse of impact
  10. V vs. T graph of a collision. The max and min values of this graph will correspond to what respectively?
    initial velocity before collision and final velocity after collison
  11. to experimentally determine the moment of inertia of our disk and ring we will use an equation that relates their moments of inertia experimentally to what?
    Tangential acceleration
  12. same mass, which on has the larger moment of inertia, disk or ring? disk radius = ring's outer radius
    the ring
  13. Any object that has mass resists changes in it's motion. This resistance is known as..
  14. rotational inertia is affected by mass and...
    the distribution of this mass
  15. Newton's First Law of Motion states that..
    any object with mass will continue in its state of rest or straight-line motion unless acted upon by an outside force.
  16. when force is applied away from the axis of rotation it does what?
    cause the object to rotate.
  17. rotational inertia can be found by..
    using the tangential acceleration
  18. Newton's Second Law
    Fnet= ma
  19. Atwood Machine the..
    F vs. Acceleration is plotted to yield the mass.

    Forcenet= mass*acceleration
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Physics Lab Exam
2014-04-22 00:16:11
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