what is the role of simple machines?
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4
Answer:
The basic purpose for which most simple machines are designed is to reduce the effort (force) required to perform a simple task. ... Screws, levers and inclined planes are designed to increase the distance over which the reduced force acts so that we can push or pull with less effort.
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Answer:
simple machines reduce some sort of work
Explanation:
many simpler machines join or make together to form a complex machines
simple machines reduce effort and help in small works
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