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EEM 1-
Energy, Machines, and Motion 1 through
| Question | Answer |
|---|---|
| energy | ability to do work |
| kinetic energy | energy in motion |
| potential energy | stored energy |
| energy conversion | change of energy from one form to another |
| Law of Conservation of Energy | energy cannot be created or destroyed but changes from form to another |
| weight | measure of the force of gravity pulling on a body |
| mass | amount of matter in a body |
| force | push or pull |
| Newton (N) | unit of measure for force |
| Net Force | total force acting on an object |
| gravity | force of attraction between objects that is due to their masses and their distances from each other |
| air friction | drag |
| friction | force that opposes motion between two surfaces |
| types of friction | static and kinetic |
| types of kinetic | rolling and sliding |
| mechanical energy | the total energy of motion and position of an object |
| forms of energy | thermal, chemical, electrical, sound, light, nuclear |
| fluid | something that flows and can take the shape of a container |
| pressure | amount of force per unit area of surface |
| Pascal's Principle | Pressure applied at one point in a system will be transmitted evenly throughout the system. |
| Archimedes Principle | bouyant force on an object is an upward force= weight of the fluid displaced (object takes the place of) |
| Bernoulli's Principle | When the speed of a fluid |
| 4 factors that affect flight | lift, thrust, drag, and gravity |
| effort force | force you exerted to pull the block across the surface |
| effort distance | distance you moved the block each time |
Created by:
darkdreams19
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