| term |
definition |
| velocity | the speed and direction of an object's motion |
| force | a push or pull that acts on an object |
| work | energy used when a force moves an object |
| power | the rate at which work is done |
| equilibrium | the state in which the net force is zero |
| inertia | the tendency of an object to resist a change in motion |
| acceleration | the rate at which the velocity of an object changes over time |
| machine | a device that changes the direction or the amount of effort needed to do work |
