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The force exerted by the floor of an ele...

The force exerted by the floor of an elevator on the foot of a person standing there is more than the weight of the person if the elevator is

A

(i), (ii)

B

(ii), (iii)

C

(iiI), (iv)

D

(i), (iv)

Text Solution

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The correct Answer is:
B
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CP SINGH-NEWTONS LAWS OF MOTION-EXERCISES
  1. A man weighs 80kg . He stands on a weighing scale in a lift which is m...

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  2. A person is standing in an elevator. In which situation he finds his w...

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  3. The force exerted by the floor of an elevator on the foot of a person ...

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  4. A lift is moving down with acceleration a. A man in the lift drops a b...

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  5. A person standing oin the floor of an elevator drops as coin. The coin...

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  6. An elevator car whose floor to ceiling distance is equal to 2.7 m star...

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  7. A lift is moving in upward direction. The totol mass of the lift an th...

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  8. In the previous problem, the height to which the lift takes the passen...

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  9. An empty plastic box of mass m is found to accelerate up at the rate o...

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  10. A balloon carring some sand is moving down with a constant acceleratio...

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  11. Two particles each of mass m are connected by a light string of length...

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  12. A force vecF=vecvxxvecA is exerted on a particle in addition to the fo...

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  13. A mass of 1kg is suspended by a string A. Another string C is connecte...

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  14. In the previous problem, If the string C is stretched slowly, then

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  15. A stone is dropped from the top of a building in a high wind. The wind...

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  16. A smooth wedge A is fitted in a chamber hanging from a fixed ceiling n...

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  17. A body is in equilibrium under the action of three coplanar forces P,Q...

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  18. Three forces start acting simultaneously on a particle moving with vel...

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  19. As shown in figure the tension in the horizontal cord is 30 N. The wei...

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  20. The block is in equilibrium (i) T(1)=(mgcosbeta)/(sin(alpha+beta)...

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