A rope holds a 21kg mass and warps around a frictionless pulley attached to the ceiling...
A rope holds a 21kg mass and warps around a frictionless pulley attached to the ceiling with a mass of 0.05kg and a radius of 0.3m. The other end of the rope is attached to a massless suspended a platform, with a 5kg mass on it. what is the torque on the system when the pulley is not moving?
Homework Answers
here,
mass 1 , m1 = 21 kg
mass on plateform , m2 = 5 kg
R = 0.3 m
the torque on the system when the pulley is not moving , T = m1 * g * R - m2 * g * R
T = (21 - 5) * 9.81 * 0.3 N.m
T = 47.1 N.m
the torque on the system when the pulley is not moving is 47.1 N.m
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