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A Force F acting on an object varies wit...

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

(a) 4.5 J (b) 13.5 J (c) 9.0 J (d) 18.0 J

A

4.5 J

B

13.5 J

C

9.0 J

D

18.0 J

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-WORK, ENERGY AND POWER-Assignment (SECTION - C)
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  8. The work done by an applied variable force F=x+x^(3) from x = 0 m to x...

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  9. When a body moves with a constant speed along a circle

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  14. Two bodies of masses m and 4 m are moving with equal K.E. The ratio of...

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  18. If the kinetic energy of a body is increased by 300^(@), its momentum ...

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