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11 terms

Extra Motion and Design Words

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motion
A change in position compared to the starting location, which happens over a period of time
potential energy
The energy available as a result of an object's postition or condition.
kinetic energy
Energy that an object has because it's moving.
weight
A measure of the amount of force gravity exerts to hold you to the ground.
mass
The amount of matter (or stuff) in an object.
contact force
A force between two objects that are touching each other.
non contact force
Any force on an object by another object that is NOT touching it.
Newton's 1st Law
An object at rest, stays at rest and an object in motion tends to stay in motion, in the same direction and speed...unless acted on by a force.
Newton's 2nd Law
An object's acceleration depends on the size and direction of the force, and the mass of the object.
Newton's 3rd Law
For every action, there is an equal and opposite reaction.
acceleration
The CHANGE in speed of an object in motion.