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Internal forces can change...

Internal forces can change

A

Linear momentum as well as kinetic energy

B

Linear momentum but not the kinetic energy

C

Kinetic energy but not linear momentum

D

neither the linear momentum nor the kinetic energy

Text Solution

Verified by Experts

The correct Answer is:
C
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Choose the correct statement regarding a system of particles. Internal forces can change the kinetic energy of the system without changing system's momentum O Impulse can be defined as a very large force that acts for a very short time and causes finite change in momentum. Internal forces can change the potential energy of the system without changing system's momentum Internal forces can change the mechanical energy of the system without changing system's momentum.

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Internal forces acting in a system of particle can change

Internal forces acting in a system of particle can change

NARAYNA-WORK , ENERGY & POWER -C.U.Q
  1. The KE of a freely falling body

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

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  3. Internal forces can change

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

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  5. Which of the following statement is correct

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

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

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  8. A body can have

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  9. A rock of mass m is dropped to the ground from a height h. A second ro...

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  10. Kilowatt hour is the unit of

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  11. Two unequal masses are ties together with a cord with a compressed spr...

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  12. When a spring is wound, a certain amount of PE is stored in it. If thi...

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  13. Two springs have their force constants K(1) and K(2) and they are stre...

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  14. Two spring have their force constants K(1) and K(2)(K(2) gt K(1)). Whe...

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

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

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  17. Change in Potential energy is defined for

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

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  19. Identify the non-conservative force in the following

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

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