A ___ is a machine which contains a lever and wedge that combine to make work easier.
2 answers:
Explanation :
The machines that makes our work easier are termed as simple machines. For examples wheel and axle, lever, wedge etc.
The machines that are made up of simple machines are called compound machines.
A <u>stapler</u> is a machine which contains a lever and wedge that combine to make work easier. It is one of the compound machines. The topmost part of the arm of the stapler is a lever. When it punches a paper it becomes a wedge (fig).
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