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Acceleration of a particle changes when...

Acceleration of a particle changes when

A

direction of velocity changes

B

magnitude of velocity changes

C

either of above

D

speed is constant

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-MOTION IN A STRAIGHT LINE-Exercise 1A
  1. Which of following statements is incorrect?

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  2. The displacement of a particle starts from rest is proportional to the...

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  3. Acceleration of a particle changes when

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  4. What determines the nature of the path followed by the particle

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  5. The position-time (x -t) graphs for two children A and B returning fro...

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  6. At time t = 0, two bodies A and B are at the same point. A moves with ...

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  7. Two bodies of different masses are dropped similtaneously from the top...

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  8. At a metro station, a girl walks up a stationary escalator in time t1....

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  9. Two bodies of different masses are dropped similtaneously from the top...

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  10. The acceleration of a moving body can be found from

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  11. A body falls freely from a height 'h' its average velocity when it rea...

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  12. A car is moving along a straight line, say OP in Fig. It moves from O ...

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  13. For a moving body at any instant of time

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  14. A body falls freely from a height 'h' after two seconds if accelaratio...

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  15. In the above problem if we assume that gravity disappears instead of g...

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  16. In the case of a body freely falling from small height

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  17. A hydrogen balloon released on the moon from a height will

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  18. A freely falling body traveled xm in n^(th) second distance travelled ...

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  19. A body is projected up with a velocity 50ms^(-1) after one second if a...

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  20. A body falls freely from a height 'h' after two seconds if accelaratio...

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