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A force F acting on an object varies whi...

A force F acting on an object varies which distance x as shown in the figure. The force is in N and x in m. The work done by the force in moving the object from x = 0 to x = 6 m is

A

18.0 J

B

13.5 J

C

9.0 J

D

4.5 J

Text Solution

Verified by Experts

The correct Answer is:
B
Work done = area under `F-x` curve = area of trapezium `= (1)/(2) xx (6+3) xx 3 = (9xx3)/(2) = 13.5` J.
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