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(Assertion) :A body may be accelerated e...

(Assertion) :A body may be accelerated even when it is moving at uniform speed.
(Reason) : When direction of motion of the body is changing then body may have acceleration.

A

Both (Assertion) and (Reason) are true and (Reason) is the correct explanation of (Assertion)

B

Both (Assertion) and (Reason) are true and (Reason) is not the correct explanation of (Assertion)

C

(Assertion) is true but (Reason) is false

D

(Assertion) is false but (Reason) is true

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-MOTION IN A STRAIGHT LINE -EXERCISE -I
  1. (A) : A body can have acceleration even if its velocity is zero at a g...

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

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  3. (Assertion) :A body may be accelerated even when it is moving at unifo...

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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 from...

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

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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 simultaneously 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. For a moving body at any instant of time

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

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  14. A body falls freely from a height 'h' after two seconds if we assume t...

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  15. For a freely falling body

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

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

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  18. A body is projected up with a velocity 50 "ms"^(-1) after one second i...

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  19. A stone is released from an elevator going up with an acceleration a. ...

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  20. From a building two balls A and B are thrown such that A is thrown upw...

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