Question: The steel plate shown supports six 2-in. diameter idler rollers mounted on the plate as shown. Two flat belts pass around the rollers, and rollers

The steel plate shown supports six 2-in. diameter idler rollers mounted on the plate as shown. Two flat belts pass around the rollers, and rollers A and D are adjusted so that the tension in each belt is 10-lb. Determine

(a) The resultant couple acting on the plate if a = 8 in.

(b) The value of a so that the resultant couple acting on the plate is 480 lb ‹…in. clockwise.

-Sin

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