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Simple Machines 23
Simple Machines 22-23
Question | Answer |
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device | a piece of equipment or a mechanism designed to serve a special purpose or perform a special function. |
lever | a rigid bar resting on a pivot, used to help move a heavy or firmly fixed load with one end when pressure is applied to the other. |
pulley | a wheel with a grooved rim around which a cord passes. It acts to change the direction of a force applied to the cord and is chiefly used (typically in combination) to raise heavy weights. |
magnify | make (something) appear larger than it is, especially with a lens or microscope. "the camera's zoom mode can magnify a certain area if required" |
fulcrum | the point on which a lever rests or is supported and on which it pivots. |
force | a push or a pull. |
simple machine | any of the basic mechanical devices for applying a force, such as an inclined plane, wedge, or lever. |
hoist | raise (something) by means of ropes and pulleys. |