Question

A man is standing on a sparing platform, Reading of spring balaance is `60kg` wt If man jumps outside the platform then the reading of the spring balance .
A. Becomes `gt60 kg` wt initially and then decrease to zero
B. Becomes `llt60 kg` wt first and then decreases to zero
C. Becomes =60 kg wt fist and then decrease to zero
D. Remains decreasing till zero

Answer 1

Correct Answer - A
The man will first press the platform to get extra normal force required for the jump. Hence initially the reading will be greater than 60 kg wt and then decreases to zero.