Solve Prob. 4.5 when α =40°. Problem 4.5: A hand truck is used to move two barrels, each weighing 80 lb, neglecting the weight of the hand truck, determine
(a) The vertical force P which should be applied to the handle to maintain equilibrium when α =35°,
(b) The corresponding reaction at each of the two wheels.

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32 in. 24 in. S in. 20 in