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Which of the following is a false statem...

Which of the following is a false statement :

A

A body can have zero velocity and still be accelerated

B

A body can have constant velocity and can still have varying speed

C

A body can have constant speed but can have a varying velocity

D

The direction of velocity can change when its acceleration is constant.

Text Solution

Verified by Experts

The correct Answer is:
b

If velocity is constant then speed must be constant as velocity is speed in a particular direction.
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MODERN PUBLICATION-DESCRIPTION OF MOTION IN ONE DIMENSION -Revision Test
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  5. The velocity-time graph of a body moving in one dimension is as shown ...

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  6. A bus is moving along a straight road with a uniform acceleration. It ...

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  7. A body is released from tower of height 1000 m and falls freely. Anoth...

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  8. The two ends of a train moving with a constant acceleration pass a cer...

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  9. A body starts from rest with uniform acceleration in a st. line, Then ...

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  10. A body is thrown up from the top of a tower with some velocity reaches...

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  11. A motor car moving with uniform acceleration covers two successive kil...

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  12. A bullet fired into a fixed target loses half of its velocity after pe...

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  13. What is the maximum height of a stone thrown vertically upwards if its...

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  14. A bullet loses half of its velocity in penetrating 18 cm into a block....

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  15. A plumb line is hanging from the ceiling of a train. If the train move...

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  16. A smooth steel ball is moving to and fro about the lowest position of ...

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  18. A car leaves station A for station B every 10 minutes. Simultaneously ...

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  19. A body starts from rest with uniform acceleration in a st. line, Then ...

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  20. A body falls from rest. In the last second of its fall, it covers half...

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  21. In the above question the total height of fall is :

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