A string is used to pull A block of mass vertically up by a distance h at a constant acceleration g/4.the work done by the tension in string is
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Answer:
work done= force * displacement
=>work done= mass* net acceleration*displacement
=>work done=m*(g+g/4)*h
=>work done=m*5g/4*h
=>work done= (5mgh/4).
Hope you will be able to understand.
Explanation:
you have to understand the fact that the net acceleration will be the sum of gravity and applied acceleration.
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