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A bucket tied to a string is lowered at a constant acceleration of . If the mass of the bucket is  and is lowered by a distance , the work done by the string will be

a)

b)

c)

d)


Question ID - 52103 :-

A bucket tied to a string is lowered at a constant acceleration of . If the mass of the bucket is  and is lowered by a distance , the work done by the string will be

a)

b)

c)

d)

1 Answer
5876 Votes
3537

Answer Key : (b) -

(b)

From force diagram as shown in figure

 work done by tension



Next Question :

The potential energy of a 1 kg particle free to move along the x-axis is given by .The total mechanical energy of particle is 2 J. Then, the maximum speed  is 

a)

b)

c)

d)

2


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