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Force F on a particle moving in a straig...

Force F on a particle moving in a straight line varies with distance d as shown in figure

The work done on the particle during its displacement of 12 m is

A

18 J

B

21 J

C

26 J

D

13 J

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SL ARORA-Work, Energy and power-EXERCISE
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  2. A body of mass 3 kg is under a constant force which causes a displacem...

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  3. Force F on a particle moving in a straight line varies with distance d...

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  4. A bomb of mass 30 kg at rest explodes in to two pieces of masses 18 kg...

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  5. A mass of 1 kg is thrown up with a velocity of 100 m/s. After 5 second...

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

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  9. Two bodies of masses m and 4 m are moving with equal kinetic energies....

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  10. Two bodies with kinetix energies in the ratio of 4 : 1 are moving with...

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  11. The velocity acquired by a mass m in travelling a certain distance d s...

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  13. A particle is projected at 60(@) to the horizontal with a kinetic ene...

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  14. A particle of mass M is moving in a horizontal circle of radius R wit...

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  16. A block of mass 10 kg, moving in x-direction with a constant speed of ...

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  17. A ball is thrown vertically downwards from a height of 20m with an int...

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  18. A child is swinging a swing. Minimum and maximum heights fo swing from...

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