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Stack #170477
| Question | Answer |
|---|---|
| PULLEY---EXAMPLES: zip line, flag pole, marine pulley | machine that ueses grooved wheels and a rope to rsise, lower, or move a load |
| SCREW---EXAMPLES: key lock in a door, screws, jar lid, kitchen stool seat | an inclined plane wrapped around a pole which holds things together |
| INCLINED PLANE---EXAMPLES: slide, roller coaster, ladders, stairs, ramp, bath tub | a slating surface cannecting a lower level to a higher level |
| WHEEL & AXLE---EXAMPLES: bike, old tellaphone, pencil shapener, skates, wind mill, rolling pin, door knob | a wheel with a rod called an axle, though its center; it lifts or moves loads |
| WEDGE---EXAMPLES: floor nail, chisel, pin | an object with at least one slanting side, ending in a sharp edge which cuts material apart |
| LEVER---EXAMPLES: lightswitch | a bar that rests on a support called a fulcrum which lifts or moves loads |
| GEARS---EXAMPLES: clock | toothed or pegged wheels meshed together to transmit motion and force |