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Four masses are arranged as shown. They are connected by rigid, massless rods of lengths 0.50 m and d = 0.73 m. What torque must be applied to cause an angular acceleration of 0.63 rad/s2 about the axis shown?

4 kg
3 kg
5 kg
2 kg

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1 answer
  1. I=(0.73/2)²(4+3+5+2) = 1.87 kg•m²
    M=Iε=1.87•0.63 =1.175 kg•m

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