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| Question | Answer |
|---|---|
| the rate of change in velocity of an object. | acceleration |
| the energy of an object moving along a curve around a fixed point, e.g., such as the moon traveling around the earth. | angular momentum |
| the force needed to create and maintain circular motion. | centrifugal |
| the tendency of a moving object to move outward into space along the same straight line. | centrifugal force |
| velocity increasing or decreasing steadily | constant acceleration |
| a scientific test in which there is only one variable | controlled experiment |
| a force caused by air rubbing on an object | drag |
| the ability to do work | energy |
| a push or pull, measured in newtons or pounds | force |
| a force created by the rubbing of two objects against each other | friction |
| the force of the earths pull on an object | gravity |
| the tendency of an object at rest to stay at rest and an object in motion to stay in motion | inertia |
| the energy of motion | kinetic energy |
| changing part, as in a particular direction | variable |
| the speed of an object in a particular direction | velocity |