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The potential energy of a system increas...

The potential energy of a system increased if work is done

A

Upon the system by a conservative force

B

Upon the system by a nonconservative force

C

By the system against a conservative force

D

By the system against a non conservative force

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The correct Answer is:
C
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AAKASH INSTITUTE-WORK, ENERGY AND POWER-Assignment (SECTION - C)
  1. A stone is dropped from a height h . It hits the ground with a certain...

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  2. A car of mass m starta from rest and accelerates so that the instyanta...

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  3. The potential energy of a system increased if work is done

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  4. force F on a partical moving in a straight line veries with distance d...

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  5. A body projected vertically from the earth reaches a height equal to e...

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  6. An engine pumps water through a hose pipe. Water passes through the pi...

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  7. A particle of mass M starting from rest undergoes uniform acceleration...

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  8. An engine pumps water continously through a hose. Water leave the hose...

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  9. A body of mass 1 kg is thrown upwards with a velocity 20 ms^(-1). It m...

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  10. A block of mass m attached in the lower and vertical spring The spring...

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  11. Water falls from a height of 60 m at the rate 15 kg//s to operate a tu...

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  12. A shell of mass 200g is ejected from a gun of mass 4 kg by an explosio...

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  13. A vertical spring with force constant k is fixed on a table. A ball of...

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  14. The potential energy of a long spring when stretched by 2 cm is U. If ...

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  15. A body of mass 3 kg is under a constant force which causes a displacem...

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  16. 300J of work is done in slinding a 2 kg block up an inclined plane of ...

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  17. A bomb of mass 30 kg at rest explodes into two pieces of mass 18 kg ...

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  18. A force F acting on an object varies which distance x as shown in the ...

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  19. The angles between the two vectors vecA=3hati+4hatj+5hatk and vecB=3ha...

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  20. Three vectors vecA, vecB and vecC satisfy the relation vecA. vecB=0 an...

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