The unit of energy is ____ if unit of length and force are increased to four times.

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The unit of energy is ____ if unit of length and force are increased to four times.

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Increased 4 times

Increased 8 times

Increased 16 times

Decreased 16 times

answer is C.

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Detailed Solution

Since Energy = force * displacement

Unit of energy = (unit of force) * (unit of length)

→ New unit of energy = (4* unit of force) (4*unit of lnegth)

= 16* (unit of force) * (unit of length)

hence, the energy increases by 16 times.

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