Question

Match each of the following terms on the left with the correct definition on the right.
(3 points)
screw
wheel and axle
simple machine
lever
inclined plane
pulley
::
a type of simple machine with a solid bar that rests on a fulcrum point, reducing the force needed to lift a load
a type of simple machine with a rope or chain that wraps around a wheel, reducing the force needed to lift a heavy load
::
a type of simple machine with a smooth, slanted surface, reducing the force needed to do the work
:: a type of simple machine in which a circular wheel revolves around a rod
a type of simple machine made of a pointed cylindrical pin with a raised thread winding around it
a basic mechanical device that changes the direction or amount of a force needed to lift a load or do work

Answer 1

Here are the terms matched with their correct definitions:

1. **Screw**
- a type of simple machine made of a pointed cylindrical pin with a raised thread winding around it

2. **Wheel and axle**
- a type of simple machine in which a circular wheel revolves around a rod

3. **Simple machine**
- a basic mechanical device that changes the direction or amount of a force needed to lift a load or do work

4. **Lever**
- a type of simple machine with a solid bar that rests on a fulcrum point, reducing the force needed to lift a load

5. **Inclined plane**
- a type of simple machine with a smooth, slanted surface, reducing the force needed to do the work

6. **Pulley**
- a type of simple machine with a rope or chain that wraps around a wheel, reducing the force needed to lift a heavy load