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In the case of conservative force...

In the case of conservative force

A

work done is independent of the path

B

work done in a closed loop is zero

C

work done against conservative force is stored is the form of potential energy

D

all of the above

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The correct Answer is:
D
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NARAYNA-WORK , ENERGY & POWER -C.U.Q
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  2. If x, F and U denote the displacement force acting on and potential en...

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  3. In the case of conservative force

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  4. The total work done on a particle is equal to the change in its kineti...

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  5. A lorry and a car moving with the same KE are brought to rest by apply...

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  6. A shell is fired into air at an angle theta with the horizontal form t...

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  7. A cricket ball and a ping-pong ball are dropped in a vacuum chamber fr...

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  8. A cyclist free-wheels from the top of a hill, gathers speed going down...

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  9. If 'E' represents total mechanical energy of a system while 'U' repres...

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  10. For a body thrown vertically upwards, its direction of motion changes ...

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  11. Internal forces can change

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  12. The negative of the work done by the conserative internal forces on a ...

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  13. Which of the following statement is wrong?

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  14. When a body falls from an aeroplane there is increase in its :

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  15. A body is projected from ground obliquely. During downward motion, pow...

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  16. The blades of a wind mill sweep out a circle of area A. If wind flows ...

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  17. A pump is used to pump a liquid of density rho continuously through a ...

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  18. A body is moved from rest along a staight line by a machine deliverin...

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  19. A pump motor is used to deliver water at a certain rate from a given p...

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  20. A body is moved along a straight line by a machine delivering constant...

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