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Ch.3 Vocab Words
| Question | Answer |
|---|---|
| Speed (1) | The rate of change in position. |
| Instantaneous Speed | The rate of motion at any given instant. |
| Constant Speed | The speed that doesn't vary or change. |
| Average Speed | The total distance traveled divided by the total time of travel. |
| Speed (2) | Only indicates how fast something is moving. |
| Velocity | Describes the speed and direction of an object. |
| Acceleration | The rate of change of velocity. |
| Force | A push or pull one body exerts on another. |
| Balanced Forces | Forces on an object that are equal. |
| Gravity | The force that keeps everything/body on the ground. |
| Weight | The measure of the force of gravity. |
| Newton | The unit used to describe the force exerted by weight. |
| Energy | The ability to do work. |
| Work | Force x distance |
| Power (1) | The rate at which work can be done. |
| Power (2) | Work/time |
| Kenetic energy | Energy in motion. |
| KE | 1/2mv^2 |
| Gravitational Potential energy | Depends on object's mass, height, and acceleration. |
| PE | mgh m = mass g = gravity h = height |
| Elastic Potential Energy | Energy attained from a compressed or stretched object. |
| Amount of Air resistance | Depends on speed, size, shape, and density. |
| Newton's third law | For every action there is an equal or opposite reaction. |
| Geostationary satellite | A satellite placed on earth's orbit that moves at the same rate as earth's rotation. |
Created by:
Reaper7
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