In the figure a smooth pulley of negligible weight is
suspended by a spring balance. Weight of 1 kg f and
5 kg f are attached to the opposite ends of a string passing
over the pulley and move with acceleration because of
gravity, During their motion, the spring balance reads a
weight of
(a) 6 kg f
(b) less then 6 kg f
(c) more than 6 kg f
(d) may be more or less then 6 kg f
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Answer:
more than 6 kg f
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