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A block of mass 0.1 kg attached to a spr...

A block of mass 0.1 kg attached to a spring of spring constant 400 N/m is putted rightward from `x_(0)=0` to `x_(1)=15` mm. Find the work done by spring force.

Text Solution

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Hint : `W_(s)=-(1)/(2)kx^(2)`
`W_(s)=-(1)/(2)kx^(2)`
`=-(1)/(2)xx400xx(15xx10^(-3))^(2)`
`=-0.045 J`
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