A Mass M₁ Is Connected by a Light String That

question 43

Multiple Choice

A mass m₁ is connected by a light string that passes over a pulley of mass M to a mass m₂ as shown in the figure. Both masses move vertically and there is no slippage between the string and the pulley. The pulley has a radius of 30.0 cm and a moment of inertia of MR². If m₁ is 4.00 kg, m₂ is 3.00 kg and M is 6.00 kg, then what is the tension in the string that is attached to m₂?

• A) 20.7 N
• B) 25.5 N
• C) 31.7 N
• D) 35.2 N
• E) 41.3 N

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