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If the external forces acting on a syste...

If the external forces acting on a system have zero resultant, the centre of mass

A

may move but not accelerate

B

may not move

C

must not move

D

none of these

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The correct Answer is:
A
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PREMIERS PUBLISHERS-MOTION OF SYSTEM OF PARTICLES AND BODIES-OTHER IMPORTANT QUESTIONS & ANSWER (MULTIPLE CHOICE QUESTIONS)
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  7. A point in the system at which whole mass of the body is supposed to b...

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  9. A child sits stationary at one end of a long trolley moving uniformly ...

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  11. A fly wheel of moment of inertia 4xx10^(-3)kgm^(2) is makign 10 revolu...

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  12. The mass of a body measures:

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  13. Identify the vector quantity among the following:

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  14. Angular momentum is ………………….. Vector.

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  15. A diver in a swimming pool bends his head before diving. It

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  16. Which one of the following statement is not correct?

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  17. When a steady torque is acting on a body, the body:

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  18. A circular turn table has a block of ice placed at its centre. The sys...

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  19. The curve between log(e) L and log(e) P is (L is the angular momentum ...

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  20. A couple produces motion.

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