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Chapter 5 Vocabulary
Section 1,2,3
| Question | Answer |
|---|---|
| Transfer of energy that occurs when a force makes an object move; measured in joules. | Work |
| Amount of work done, or the amount of energy transferred, divided by the time required to do the work or transfer the energy; measured in watts. (W) | Power |
| Device that makes doing work easier by increasing the force applied to an object, changing the direction of an applied force, or increasing the distance over which a force can be applied. | Machine |
| The force taken in by a machine. | Input Force |
| The force released or taken out by a machine. | Output Force |
| Ratio of the output force exerted by a machine to the input force applied to the machine. | Mechanical Advantage |
| Ratio of the output work done by the machine to the input work done on the machine, expressed as a percentage. | Efficiency |
| Machine that does work with only one movement- lever, pulley, wheel and axle, inclined plane, screw, and wedge. | Simple Machine |
| Simple machine consisting of a bar free to pivot about a fixed point called the fulcrum. | Lever |
| Simple machine that consists of a grooved wheel with a rope, chain, or cable running along the groove; can be either fixed or movable. | Pulley |
| Simple machine that consists of a shaft | Wheel and axle |
| A slanted surface to raise an object | Inclined Plane |
| An inclined plane wrapped around a cylindrical post. | Screw |
| Two inclined planes put together to form a simple machine. | Wedge |
| Two or more simple machines that work together. | Compound Machine |
Created by:
Christan Coronado
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