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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

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The correct Answer is:
`(2)`

Area of f-x graph = work
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NARAYNA-WORK , ENERGY & POWER -EXERCISE -II (H.W)
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  2. A position dependent force F ia acting on a particle and its force-pos...

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  3. A force F acting on an object varies which distance x as shown in the ...

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  4. A body of mass m is allowed to fall with the help of string with downw...

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  5. Acceleration versus time graph of a particle moving in a straight line...

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  6. A rubber ball falling from a height of 5 m rebounds from hard floor to...

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  7. An elastic spring is compressed between two blocks of masses 1 kg and ...

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  8. A block of mass 2 kg is on a smooth horizontal surface. A light of for...

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  9. n' identical cubes each of mass 'm' and edge 'L' are on a floor. If th...

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  10. A vertically projected body attains the maximum height in 6s. The rati...

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  11. The kinetic energy K of a particle moving along a circle of radius R d...

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  12. A uniform chain of mass m and length l is placed on a smooth table so ...

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  13. These diagrams represent the potential energy U of a diatomic molecule...

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  14. The potential energy of a particle of mass 5 kg moving in the x-y plan...

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  15. A particle of mass m1 is moving with a velocity v(1) and another parti...

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  16. The potential energy of a certain spring when stretched through a dist...

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  17. Match the following {: ( "Column I", " Column II"),( "(A)Work", " (p...

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  18. When a bullet is fired a target, its velocity dwecreases by half after...

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  19. A bullet of mass 10 gm is fired horizontally with a velocity 1000 ms^(...

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  20. A block of mass 5 kg is initially at rest on a rough horizontal surfac...

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