PSSA REVIEW Question Preview (ID: 3750)
FORCE AND MOTION.
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An object will ___________________ when it gains speed by rolling down a hill.
a) accelerate
b) force
c) friction
d) react
____________ is when two objects are in contact with each other.
a) friction
b) gravity
c) speed
d) velocity
_____________ is the speed and direction of an object
a) friction
b) gravity
c) speed
d) velocity
The force that causes the tides to change is __________________.
a) gravity
b) friction
c) force
d) push
When a roller coaster is on top of a hill, it has ___________________ energy.
a) kinetic
b) potential
c) moving
d) no
When a roller coaster is flying down the hill, it has ________________ energy.
a) kinetic
b) potential
c) moving
d) no
The ____________ of an object affects it's speed.
a) density
b) speed
c) mass
d) volume
What law states that an object in motion will stay in motion until an outside force acts upon it.
a) friction
b) inertia
c) energy
d) motion
______________ can be written as 50mph
a) velocity
b) friction
c) speed
d) force
What is the equation used to determine an objects speed?
a) v=d/t
b) d=v/t
c) t=v/d
d) t=d/v
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