Lets drive to physics

If flat car is given an acceleration a=3 ms2\text{a} = 3\text{ ms}^{-2} starting from rest, compute tension (in NN) in the light inextensible string connected to block AA of mass 30 kg30\text{ kg}. Coefficient of friction between block and flat car is μ=0.50\mu = 0.50.

Neglect mass of pulley and its friction. Take g=10 ms2g = 10\text{ ms}^{-2}.

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