| Question |
 |
|
| Answer |
|
|
| Pulley |
machine that uses grooved wheels and a rope to raise, lower, or move a load. |
| Screw |
an inclined plane wrapped around a pole wich holds things together or lifts materials. |
| Inclined Plane |
a slantig surface connecting a lower level to a higher level. |
| Wheel and Axle |
a wheel with a rod called an axle, through it's center;it lifts or moves loads. |
| Wedge |
an object at least one slanting side ending in a sharp edge which cuts material apart. |
| lever |
a bar that rests on a support called a fulcrum which lifts or moves loads. |
| Gears |
toothed or pegged wheels meshed together to transmit motion and force. |
Ch.18 LTI-MA 509
