Wednesday, 16 November 2011

Worksheet 33

1. Which of the following statements is not true about complex machine?

A. It consists of one simple machine only.

B. It is made up of more than one simple machine.

C. It is more complicated than the simple machine.

D. Examples of complex machine are bicycle and wheelbarrow.

2. Which of the complex machine and its simple machine components is not matched correctly?

Complex machine

Simple machines


Wheel and axle, lever


Wheel and axle, gears

Egg beater

Wedge, gear


Lever, wedge

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