1.

A block A of mass 3kg and another block B of mass 2 kg are connected by a light inextensible string as shown in figure. If the coefficient of friction between the surface of the table and A is 0.5. What maximum mass C is to be placed on A so that the system is to be in equilibrium ?

Answer»

3kg
2kg
1kg
4kg

Solution :For EQUILIBRIUM `f=mum_(B)G, f=mu(m_(A)+m_(C))g`


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