Question |
Answer |
force |
a push or pull exerted on an object in order to change the motion of the object; force has size and direction |
motion |
an object's change in position relative to a reference point |
reference point |
a stationary object that is used to describe an object motion's |
speed |
the distance traveled divided by the time interval during which the motion occurred |
velocity |
the speed of an object in the particular direction |
acceleration |
the rate at which velocity changes over time an object acceleration if its speed, direction, or both change |