Card Set Information
What do scalar quantities only have?
Vector quantities have a m______, d______ and a p___ of a_______
Point of application
Speed is the r____ of c_____ of d______
Speed is a s____ quantity
For constant acceleration situations, the average speed is also equal to the a______ of the i____ and f____ speeds.
average of the initial and final speeds
___ speed+____ speed
initial speed + final speed
Velocity is the r___ of c____ of d__________.
Velocity is the rate of change of displacement.
Velocity is s_____ in a given d_______
Velocity is speed in a given direction
Acceleration is the r____ of c_____ of v______
Acceleration is the rate of change of velocity
final __X___ - initial __X___
final velocity - initial velocity
Mass is a property of a body that ____ ____
Weight is a ____ on a ____ due to the ___________ ____ of the _____
Words: force - mass - gravitational field - Planet
Weight is a force on a mass due to the gravitational field of the Planet
Weight c_____ from _____ to _____
Weight changes from planet to planet
Weights can be compared using a b_____
Weight=_____ x _______ ____ _______
Weight=mass x gravitational field strength
IS WEIGHT MEASURED IN
MASS MEASURED IN
NEWTONS OR KILOGRAMS????
Density is the _____ per unit ______
Density is the mass per unit volume
Density can represented by the letter _
ρ or D
Density is measured in __/___
A force is a p___ or p___; it can change the s____, d______, and/or s____ of an object.
A force is a push or pull; it can change the shape, direction, and/or speed of an object.
force=____ x ________
force=mass x acceleration
Load/ Hookes law
load=sp___ c_____t x e______n
load=spring constant x extension
A moment is the t_____ affect of a f______.
A moment is the turning affect of a force.
Moment=f____ x p_________ d_________ from the pivot
Moment=force x perpendicular distance from the pivot
Moments are measured in _______ _______.
Moments are measured in Newton metres (Nm)
When there is no r_______t f____e AND no r______g t____ing a___t, a system is in e________m.
When there is no resultant force AND no resulting turning affect, a system is in equilibrium.
Work done=f____ x d______e in the direction of the force = change in e____y
Work done=force x distance in the direction of the force = change in energy
Work done is in _____
Work done is in Joules (J)
Momentum=m____ x v_____
Momentum=mass x velocity
Kinetic energy is the e____ of a b_____ due to its m_____
Kinetic energy is the energy of a body due to its motion
Kinetic energy= 1/2 x m___ x v______
Kinetic energy= 1/2 x mass x velocity
Kinetic energy is measured in J_____ (J)
Kinetic energy is measured in Joules (J)
Gravitational potential energy is the e____ of a b____ due to its p____ in the gr_______ field.
Gravitational potential energy is the energy of a body due to its position in the gravitational field.
Gravitational energy=m____ x a________ due to g_______ x h_____ gained/lost
Gravitational energy=mass x acceleration due to gravity x height gained/lost
GPE=_ _ _
GPE is in J____ (J)
GPE is in Joules (J)
Power is the r___ at w___ e_____ is c_______
Power is the rate at which energy is converted
Power is measured in W____
Power is measured in Watts
Pressure is measured in _/_
, p____ (Pa), m__b_r
Pressure is measured in N/m2, pascals (Pa), millibar
FLUID PRESSURE=d____ of fluid x a_______ due to gravity x h____ of f____ above
FLUID PRESSURE=density of fluid x acceleration due to gravity x height of fluid above