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A body of mass 2 kg is placed on rough h...

A body of mass 2 kg is placed on rough horizontal plane. The coefficient of friction between body and plane is 0.2 Then,

A

body will move in forward direction if F =5 N

B

body will move in backward direction with acceleration ` 0.5 m / s^2`, if force F =3 N

C

If F =3 N, then body will be in rest condition

D

both and are correct

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SL ARORA-Work, Energy and power-EXERCISE
  1. When a body moves with a constant speed along a circle

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  2. A ball moves on a frictionless inclined table without slipping. The wo...

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  3. A body of mass 2 kg is placed on rough horizontal plane. The coefficie...

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  4. oversetrightarrowF.oversetrightarrowds?

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  5. A particale moves under the effect of a force F = Cs from x = 0 to x =...

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  6. A force F=(10+0.5 x) acts on a particle in the x-direction. What would...

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  7. The work done by an applied variable force F=x+x^(3) from x = 0 m to x...

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  8. The relationship between the force F and position x of body is as show...

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  9. The kinetic energy of a body of mass 2 kg and momentum of 2 Ns is

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

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  11. Two bodies A and B having mass m and M respectively ppossess same kine...

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  12. If momentum is increased by 20% then K.E. increases by

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  13. If momentum is increased by 20% , then K.E. increase by

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  14. A body of mass 10 kg initially at rest acquires velocity 10 ms^(-1). W...

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  15. How much work must work be done by a force on 50 kg body in order to a...

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  16. A taxi without any passengers, moving on a frictionless horizontal roa...

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  17. If the potential energy between two molecules is given by U= -(A)/(r^6...

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

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  19. A simple pendulum hanging freely and at rest is vertical because in th...

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  20. A pendulum of length 2 m lift at P . When it reaches Q , it losses 10%...

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