What is the main purpose of using a machine?

Type: MCQ • Marks: 1

A. To multiply force or change direction of force, making tasks easier

B. To reduce total work required

C. To create energy

D. To eliminate friction completely

Explanation

Machines do not reduce total work (due to conservation of energy) but make task execution easier via force multiplication or redirection.

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Class 9th Science (MCQ)

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