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Consider three blocks placed one over th...

Consider three blocks placed one over the other as shown in Fig. Let as now pull the blocks with the force of magnitudes `18 N, 100 N` and `15 N` Take `m_(1) = m_(2) = m_(3) = 10 kg` If the coefficient of static and kinetic friction between all contacting surface are `mu_(g) = 0.2` respectively find the

(a) Acceleration of the block s
(b) Friction at each surface

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