Torque and Angular Acceleration of a Rod
A uniform rod of mass M and length L, pivoted at one end, is released from rest from a horizontal position. At the instant of release, a force F is applied perpendicular to the rod at its midpoint. What is the initial angular acceleration of the rod?
A
α = 3F/(2ML) + 3g/(2L)
B
α = 2F/(ML) + 3g/(2L)
C
α = F/(ML) + 3g/(2L)
D
α = 3F/(2ML)
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