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Identify the non-conservative force in t...

Identify the non-conservative force in the following

A

Weight of a body

B

Force between two ions

C

Magnetic force

D

Air resistance

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The correct Answer is:
D
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NARAYNA-WORK POWER AND ENERGY-C.U.Q-Key
  1. Potential energy is defined for

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

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  3. Identify the non-conservative force in the following

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  4. If x,F and U denote the dispalcement, force acting on and potential en...

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  5. In the case of conservative force

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  6. The change in kinetic energy per unit 'space' (distance) is equal to

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  7. When the momentum of a body a doubled, the kinetic energy is

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  8. For the same kinetic energy, the momentum shall be maximum for which o...

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  9. If the momentum of a particle is plotted on X-axis and its kinetic ene...

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  10. When two identical balls are moving with equal speed in opposite direc...

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  11. The product of linear momentum and velocity of a blood represents.

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  12. The KE of a freely falling body

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  13. Consider the following two statements: A. Linear momentum of a syste...

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  14. Internal forces can change

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  15. If the force acting on a body is inversely proportional to its speed, ...

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  16. Which of the following graphs depicts the variation of KE of a ball bo...

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  17. Which of the following statements is correct?

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  18. Two bodies of unequal masses have same linear momentum. Which one has ...

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  19. Two bodies of masses m(1) and m(2) have equal KE. Their momenta is in...

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  20. A body can have

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