Engineering Mechanics - PKRB: Work and Energy - Discussion

Discussion Forum : PKRB: Work and Energy - General Questions (Q.No. 2)
2.

The uniform slender rod has a mass of 5 kg. Determine the magnitude of the reaction at the pin O when the cord at A is cut and = 90°

O = 42.0 N
O = 91.1 N
O = 122.6 N
O = 67.4 N
Answer: Option
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