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A man of mass m is standing in an elevat...

A man of mass m is standing in an elevator moving downward with an acceleration `(g)/(4)`. The force exerted by the bottom surface of the elevator on the man will be

A

`(3mg)/(4)`

B

`(mg)/(4)`

C

`(5mg)/(4)`

D

`(7mg)/(4)`

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AAKASH INSTITUTE ENGLISH-LAWS OF MOTION-EXERCISE
  1. Which of the following is a self adjusting force?

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  2. Two blocks of masses 2 kg and 4 kg are hanging with the help of massle...

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  3. A man of mass m is standing in an elevator moving downward with an acc...

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  4. A vehicle is moving on a road with an acceleration a=20 m//s^(2) as sh...

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  5. In the given arrangement all surfaces are smooth. What acceleration sh...

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  6. A block of mass m kg is kept on a weighing machine in an elevator. If ...

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  7. A trolley is falling freely on inclined plane as shown in the figure. ...

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  8. A block of mass m is kept on horizontal turn table at x distance from...

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  9. If trolley accelerates horizontally with acceleration a then bob is di...

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  10. Select correct statement regarding pseudo force :-

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  11. What force should be applied on the wedge so that block over it does n...

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  12. A particle of mass 2 kg is moving in circular path with constant speed...

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  13. A particle is in uniform circular motion, then its velocity is perpend...

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  14. If a particle is moving on a circular path with constant speed, then t...

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  15. A particle is revolving in a circular path of radius 2 m with constant...

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  16. A particle is moving on a circular path of radius 1 m with 2 m/s. If s...

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  17. The maximum speed with which a vehicle can take safely circular turn o...

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  18. A conical pendulum of length L makes an angle theta with the vertical....

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  19. Two particles each of mass m are moving in horizontal circle with same...

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  20. A car is moving in a horizontal level circular track with uniform spee...

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