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1 kg-lf 3 equal masses of 1 kg as shown in the figure are 11 kg-accelerated with an acceleration a = 2 m/s2, then the trtemtension T2; is:(A) 2N(B) 6 N(C) 4 N(D) none of these |
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Answer» given the net acceleration is 2m/s². so, force equation for left is => T2 = m*a = T2 = 1.2 = 2N |
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