Two bodies of mass 4 kg and 6 kg are attached to ends of a string passing over a pulley. The 4 kg mass is stratched to the table top by another string. What is the free body?
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Solution
T-4g=4a 6g-t=6a Solving these two equation we get 2g=10a 2*9.8=10a a=1.96 T1=m*a Mass=4+6=10kg and acceleration= 1.96 T1=10*1.96 ==>19.6N