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A particle is acted upon by a force of c...

A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle, the motion of the particles takes place in a plane. It follows that:

A

its kinetic energy is constant

B

its acceleration is constant

C

its velocity is constant

D

it moves in a straight line

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The correct Answer is:
A
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PREMIERS PUBLISHERS-WORK, ENERGY AND POWER -MULTIPLE CHOICE QUESTIONS (OTHER IMPORTANT QUESTIONS & ANSWERS)
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  5. Choose the correct option:

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  6. In the following question, a statement of Assertion is followed by a s...

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  8. Match the parameters given in column I with the expressions given in c...

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  9. A body of mass 1kg begins to more under the action of a time dependent...

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  10. The body moves under the action of constant force along a straight lin...

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  11. Which one of the following statement is an incorrect statement?

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  12. The spring of the watch when wound possesses………………..energy.

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  13. A light and heavy body have equal momentum, which has greater K.E?

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  14. A light body and a heavy body have the same kinetic energy. Which one ...

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  15. Same retarding force is applied to stop the train in certain distance....

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  16. Law of conservation of linear momentum is applicable even in those ca...

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  17. In the following question, a statement of Assertion is followed by a s...

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  18. If the force and the displacement are in the same direction, then the ...

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  19. If the force and the displacement are at an angle of 180^(@), then wor...

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  20. Which one of the following statements is incorrect?

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