A spring is stretched so that the force rises uniformly from at to at

PHYSICS · Single correct · CBSE · Physics · Work, Energy and Power · Work, Energy and Power

Problem

A spring is stretched so that the force rises uniformly from

0\,\text{N}

at

0\,\text{m}

to

15\,\text{N}

at

0.30\,\text{m}

. Calculate the work done in stretching the spring to

0.30\,\text{m}

. (a)

4.50\,\text{J}

(b)

0.675\,\text{J}

(c)

2.25\,\text{J}

(d)

1.125\,\text{J}

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