Published by:
CGP EDU Academic Team
Published on: August 14, 2026
A cord is used to lower vertically a block of mass
by a distance
with constant downward acceleration
. Work done by the cord on the block is
Text Solution
Verified by ExpertsThe correct answer is:
C
When, the block moves vertically downward with acceleration
, then tension in the cord,

Work done by the cord,

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