A ball having a mass of 2 kg slides without friction within a vertical circular slot. If it is released from rest when  = 10°, determine the force it exerts on the slot when it arrive

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A ball having a mass of 2 kg slides without friction within a vertical circular slot. If it is released from rest when thetaa = 10°, determine the force it exerts on the slot when it arrives at points A and B.
[A]. NA = 38.6 N, NB = 96.6 N
[B]. NA = 30.9 N, NB = 61.8 N
[C]. NA = 30.9 N, NB = 81.2 N
[D]. NA = 38.6 N, NB = 77.3 N

Answer: Option A

Explanation:

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