Question

If 150N of force is applied on a spanner of 10 cm to open a nut, what length of spanner is necessary when the force applied on it is 60 N?​

Answer 1

Answer:

25cm

Explanation:

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

Answer 2

Answer:25cm

Explanation:

Torque =r × f