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A boy carrying a box on his head is walk...

A boy carrying a box on his head is walking on a level road from one place to another on a straight road is doing no work. The statement is

A

partly correct

B

correct

C

incorrect

D

insufficient data

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-WORK POWER ENERGY-EXERCISE - 1A
  1. If a spring extends by x on loading, then energy stored by the spring ...

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  2. A bullet is fired from a rifle. If the rifle recoils freely, then the ...

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  3. A boy carrying a box on his head is walking on a level road from one p...

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  4. Identify the false statement from the following.

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  5. The balades of a windmill sweep out a circle of area A. If the wind fl...

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  6. A particle with total energy E is moving in a potential energy region ...

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  7. A particle is acted upon by a force of constant magnitude which is alw...

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  8. A particle of mass m moving with velocity v collides with a stationary...

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  9. Two spheres A and B collide. If the momentum of A is doubled in the co...

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  10. Internal force can change

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  11. In head on elastic collision of two bodies of equal mass

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  12. Two bodies A and B of masses m(1) and m(2) moving with velocities V(1)...

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  13. Two particles of equal masses have an elastic collision, the target pa...

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  14. A heavier sphere moving eastward with a certain velocity .v. collides ...

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  15. . A bullet hits a block at rest on a frictionless horizontal surface a...

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  16. Coefficient of restitution depends upon

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  17. When a ball hits a floor and rebounds after an inelastic collision,

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  18. If the coefficient of restitution is 0.5, the collision is

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  19. Two particles of different masses collide head on. Then for the system

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  20. A particle moving with certain velocity collides elastically with anot...

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