Physics, 11.06.2020 23:57 chelsie47

The 5kg slender bar is supported by cord BC and then released from rest at A. Answer in SI units to 2 decimal places. The tolerance is /- 0.5 for all parts. 1. (10) What is the magnitude of the angular acceleration of the rod and the magnitude of the force at B if the length of the cord BC is zero. Hint: Because the rod is not massless, the force on the hinge C does not need to be aligned with the direction of the rod. 2. (10) Determine the magnitude of the acceleration of point B when the length of the cord BC is 300mm. Hint: consider that B is rotating around C, and choose polar coordinates to describe its motion about C.

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