Wednesday 16 November 2011

Worksheet 32

Choose the correct answer.

1. An example of device that uses a wheel and an axle is the saw.

True

False

2. A wheelbarrow uses the wheel and axle as well as the lever system.

True

False

3. A simple machine is a tool that allows us to use less force to do work.

True

False

4. A screw is an example of a simple machine.

True

False

5. Gear is used to lift a heavy load.

True

False

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