1.

In the figure, a smooth pulley of negligible weight is suspended by a spring balance. Weights of 1 kg and 5kg are attached to the opposite ends of a string passing over the pulley and move with an acceleration due of gravity. During their motion, the spring balance reads a weight of

Answer»

6 kg
less than 6 kg
more than 6 kg
MAY be more or less than 6kg

Solution :`m_(1)g-T=m_(1)a, T-m_(2)g=m_(2)a, T^(1)=2T`


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