Questions
A rope is wound around a hollow cylinder of mass 3 kg and radius 40 cm. What is the angular acceleration of the cylinder if the rope is pulled with a force of 30 N?
detailed solution
Correct option is B
τ = IαRF = mR2αα = FmR = 303×40100 =25 rad/s2Talk to our academic expert!
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Forces are applied on a wheel of radius 20 cm as shown in the figure. The torque produced by the forces 8 N at A, 8 N at E, 6 N at C and 9 N at D at angles indicated is
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