(a) if he exerts the force f at angle ˛ d 25°, what is the magnitude of the force he must exert to slide the box across the floor?
(b) if he bends his knees more and exerts the force f at angle ˛ d 10°, what is the magnitude of the force he must exert to slide the box?
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2022-01-09 04:17:37