A man is opening up a juice can with the help of a can opener. What force(s) are being used in the picture?

Muscular force

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Frictional force

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Mechanical force

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Electrostatic force

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Solution

The correct options are
A Muscular force
B Frictional force
C Mechanical force
While opening a can, the man is applying muscular force on the can opener. The can opener here acts like a machine and hence applies a mechanical force on the can. During the process, frictional force allows him to hold the can and the can opener at one position.

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