4. Two ropes, with tensions T₁ = 12 N and T2 = 4 N, pull on a pulley as shown in the figure. The pulley is a uniformly dense cylinder with radius 6 cm and a mass of 3 kg. The pulley rotates around a frictionless axle that passes through its center. The pulley is initially at rest but after the tensions are applied begins to rotate. What is the work done (in J) on the pulley by T₂ during the first 5 s that the tensions are applied? Assume constant acceleration. T₁ T₂

4. Two ropes, with tensions T₁ = 12 N and T2 = 4 N, pull on a pulley as shown in the figure. The pulley is a uniformly dense cylinder with radius 6 cm and a mass of 3 kg. The pulley rotates around a frictionless axle that passes through its center. The pulley is initially at rest but after the tensions are applied begins to rotate. What is the work done (in J) on the pulley by T₂ during the first 5 s that the tensions are applied? Assume constant acceleration. T₁ T₂

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

4. Two ropes, with tensions T₁ = 12 N and T₂ = 4 N, pull on a pulley as shown in the figure. The pulley is a uniformly dense
cylinder with radius 6 cm and a mass of 3 kg. The pulley rotates around a frictionless axle that passes through its center.
The pulley is initially at rest but after the tensions are applied begins to rotate. What is the work done (in J) on the pulley
by T₂ during the first 5 s that the tensions are applied? Assume constant acceleration.
T₁
T₂

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