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A block of weight W_{2} = 200N rests on a horizontal surface and supports on top of it another block of weight W_{2} = 50N The block We attached with vertical wall by a string AB, as shown in Fig. 4. Find the amount of horizontal force P, applied to the lower block necessary for impending slipping. The coefficient of friction for all contiguous surfaces is 0.3.

6 months ago
Aishwi
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