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Law of Conservation of Energy

A particle of...

Question

A particle of mass 0.1 kg is attached to a spring of spring constant k=10N/m and a force is applied on it. The force acting on the mass at any displacement is given by

A

F = - x

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B

F = - 10 x

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C

F = - 100 x

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D

F = - 10 N

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Solution

The correct option is B $F = - 10 x$
Writing the FBD for the mass, we get the force equation as , $F = - 10 x$
The correct option is (b)

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