Question

If 150 N of force is applied on a spanner of 10 cm to open a nut then length of spanner when force applied on it is 60 N is

Answer 1

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Let length of spanner when Force is 60N.

Since work is same for both cases, W1=W2 ,

Work formula-->W=F.S

Therefore,

150*10=60*x

x=25 cm.