What is the magnitude of the net torque on the pulley about the axle?

What is the magnitude of the net torque on the pul What is the magnitude of the net torque on the pulley about the axle?

Answer


let, force F1=20 N force F2=30 N diameter of the pully d=4cm radius of the pully r=d/2=2cm
net torque =(r*F2)-(r*F1) =r*(F2-F1) =0.02*(30-20)

=0.2 N.m —-is answer

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