Question

A boy opens a nut by applying a force of 150 N using a wrench of length of 30 cm. If he wants to open it by force of 50N. What should the length of the wrench?​

Answer 1

Answer:

90 cm

Explanation:

MOMENT OF FORCE = F.s

Case 1 -

Force - 150 N

length - 30 cm - 0.3 m

Torque - (150X0.3) Nm = 45 Nm

Case 2 -

Torque - 45 Nm

Force - 50 N

length - (45/50) m = 0.9 m = 90 cm

Answer 2

Answer:

90cm

Explanation:

For an explanation check the above answer :)