Question: A 3 ft 3 ft 1 ft C C 2.5 ft- PROBLEM 4 The rotating arm ABC is composed of a 16.1-lb homogeneous slender

A 3 ft 3 ft 1 ft C C 2.5 ft- PROBLEM

A 3 ft 3 ft 1 ft C C 2.5 ft- PROBLEM 4 The rotating arm ABC is composed of a 16.1-lb homogeneous slender rod mounted at point B and a 64.4- lb rectangular plate at C. The setup is released from the rest position as shown. What is the magnitude of the angular acceleration a (rad/s2) of the rotating arm? (ANS: 8.3) What is the magnitude of the reaction (lb) at B? (ANS: 23)

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