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Work

The force F a...

Question

The force F acting on an object varies with the distance x travelled by the object is as shown in figure. Work done by the force in moving the object from x=7 m to x = 9m is

A

8J

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B

6J

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C

2J

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D

4J

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Solution

The correct option is A 8J
Work done = Force* distance
Here, distance= 2m
Force= 4N
Therefore, work done = (4*2)J = 8J
So, the correct option is '8J'.

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