1
An apparatus using mechanical power and having several parts
2
a wheel with a grooved rim around which a cord passes, which acts to change the direction of a force applied to the cord and is used to raise heavy weights
3
a circular object that revolves on an axle and is fixed below a vehicle or other object to enable it to move over the ground
4
Is an inclined plane wrapped around a cylinder
5
Actions that produce a change of an object
6
Is an object that cuts through things
7
Is a rigid bar that rests on a fixed point
8
Is a sloping surface
9
Gear transfer movement from one place to another
