Question: In the system shown above the blocks are initially at rest. Then a force F is applied to the block at the bottom. Data:

In the system shown above the blocks are initially at rest. Then a force F is applied to the block at the MA mB F Usl, kl Ms2, mk2

In the system shown above the blocks are initially at rest. Then a force F is applied to the block at the bottom. Data: mA = 6 kg, mB = 4 kg, Ms1 = 0.4, s2 = 0.3, g = 10 m/s. (a) Suppose that, starting from zero, the force F is gradually increased. There is a critical value of the force F = F at which the sliding starts. Find Fr. Fc Mk1 = 0.3, kl Mk2 = 0.1, N (b) Suppose that the lower block is pulled by a force of F = 100 N. Find the acceleration of the lower block. = m/s MA mB F Usl, kl Ms2, mk2

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