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Which of the following statements is tru...

Which of the following statements is true for work done by conservative forces :–

A

it does not depend on path

B

it is equal to the difference of initial and final potential energy function

C

it can be recovered completely

D

all of the above

Text Solution

Verified by Experts

The correct Answer is:
D
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NARAYNA-WORK , ENERGY & POWER -C.U.Q
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  2. Two spring have their force constants K(1) and K(2)(K(2) gt K(1)). Whe...

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  3. Which of the following statements is true for work done by conservativ...

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  4. Which of the following statement is incorrect for a conservative field...

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  5. Change in Potential energy is defined for

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  6. Which of the following forces is called a conservative force?

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  7. Identify the non-conservative force in the following

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  8. If x, F and U denote the displacement force acting on and potential en...

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  9. In the case of conservative force

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

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

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

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

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

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

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

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  17. Internal forces can change

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

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  19. Which of the following statement is wrong?

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

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