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A person is standing in an elevator. In ...

A person is standing in an elevator. In which situation he finds his weight less ?

A

When the elevator moves upward with constant acceleration

B

When the elevator moves downward with constant acceleration

C

When the elevator moves upward with uniform velocity

D

When the elevator moves downward with uniform velocity

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SL ARORA-Laws of Motion-Exercise
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  8. Which one of the following is a non-conservative force ?

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  9. A person used force (F) , shown in figure to move a load with constant...

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  12. If the normal force is doubled, the coefficient of friction is

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  13. A block has been placed on an inclined plane with the slope angle thet...

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  14. A body of mass m is placed on a rough surface with coefficient of fric...

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  15. A 60 kg weight is dragged on a horizontal surface by a rope upto 2 met...

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  16. A marble block of mass 2 kg lying on ice when given a velocity of 6m//...

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  17. A block of mass M is pulled along a horizontal surface by applying a f...

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  18. A body of mass 40kg resting on a rough horizontal surface is subjected...

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