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If the work done by a body on application of a constant force is directly proportional to the distance travelled by the body, express this in the form of an equation in two variables and draw a graph of the same by taking the constant force as 5 units. Also read from the graph the work done when the distance travelled by the body is: (i)2 units (ii)0 units
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Solution
Let the distance travelled by the body be x and work done by the body be y.
Work done is proportional to distance travelled.
y = kx
Where, k is a constant.
If constant force is 5 units, then work done y = 5x
According to statement,
(i) When x = 2 units then y = 10 units
(ii) When x = 0 unit then y = 0 unit
| x | 2 | 0 |
| y | 10 | 0 |
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