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Statement of a problem № 41314

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The masses of blocks A and B in Fig. 5.86 are 20.0 kg and 10.0 kg, respectively. The blocks are initially at rest on the floor and are connected by a mass less string passing over a mass less and frictionless pulley. An upward force F is applied to the pulley. Find the accelerations aA of block A and aB of block B when F is (a) 124 N; (b) 294 N; (c) 424 N.




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