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In uniform circular motion...

In uniform circular motion

A

both velocity and acceleration are constant

B

acceleration and speed are constant but velocity changes

C

both acceleration and velocity change

D

both acceleration and speed are constant

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The correct Answer is:
C
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MOTION-CIRCULAR MOTION-EXERCISE -1
  1. A wheel starts rotating at 10 rad/sec and attains the angular velocity...

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  2. A stone of mass m is tied to a string of length l and rotated in a cir...

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  3. In uniform circular motion

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  4. A particle completes 3 revolutions per second on a circular path of ra...

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  5. A particle is moving along a circular path of radius 6 m with uniform ...

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  6. The earth, radius 6400 km, makes one revolution about its own axis in ...

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  7. A car is travelling with linear velocity v on a circular road of radiu...

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  8. A spot light S rotates in a horizontal plane with a constant angular v...

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  9. Two moving particles P and Q are 10 m apart at a certain instatn. The ...

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  10. If the radius of curvature of the path of two particles of same masses...

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  11. What happens to the centripetal acceleration of a revolving body if yo...

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  12. If the speed of a body in uniform circular motion and radius of circul...

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  13. A stone of mass 0.5 kg tied with a string of length 1 metre is moving ...

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  14. The breaking tension of a string is 10 N. A particle of mass 0.1 kg ti...

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  15. A string of length 1 m is fixed at one end and carries a mass of 100 g...

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  16. A particle is acted upon by a force of constant magnitude which is alw...

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  17. A particle is acted upon by a constant force always normal to the dire...

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  18. A chain of 125 links is 1.25 m long and has a mass of 2 kg with the en...

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  19. A particle P is moving in a circle of radius r with a uniform speed v....

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  20. A simple pendulum of length L and mass (bob) M is oscillating in a pla...

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