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A particle is moving in a circular orbit...

A particle is moving in a circular orbit with constant speed. Select wrong alternate.

A

Its linear momentum is conserved

B

Its angular momentum is conserved

C

It is moving with variable velocity

D

It is moving with variable acceleration

Text Solution

Verified by Experts

The correct Answer is:
A
Direction of linear velocity always keeps on changing. Hence, linear momentum is varying.
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DC PANDEY-ROTATION-(A) Chapter Exercises
  1. The radius of gyration of a uniform rod of length L about an axis pass...

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  2. Five particles of mass 2 kg are attached to the rim of a circular disc...

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  3. A particle is moving in a circular orbit with constant speed. Select w...

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  4. If the equation for the displacement of a particle moving on a circle ...

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  5. A wheel is a rest. Its angular velocity increases uniformly and become...

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  6. A rigid body rotates about a fixed axis with variable angular velocity...

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  7. A wheel is rotating at the rate of 33 "rev min"^(-1). If it comes to s...

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  8. A wheel is rotating at 900 rpm about its axis. When power is cut off i...

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  9. A wheel is subjected to uniform angular acceleration about its axis. I...

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  10. The motor of an engine is rotating about its axis with an angular velo...

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  11. If vec F is the force acting in a particle having position vector vec ...

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  12. A particle of mass 5 kg is moving with a uniform speed of 3 sqrt(2) "c...

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  13. A particle of mass m is moving in yz-plane with a unifrom velocity v w...

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  14. A particle of mass m=5 units is moving with a uniform speed v = 3 sqrt...

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  15. A particle of mass 2 mg located at the position (hat i+ hat k) m has a...

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  16. A particle of mass m is projected with velocity v moving at an angle o...

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  17. A sphere of mass M rolls without slipping on rough surface with centre...

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  18. A constant torque of 1000 N-m turns a wheel of moment of inertia 200 k...

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  19. A Merry -go-round, made of a ring-like platform of radius R and mass M...

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  20. A flywheel having a radius of gyration of 2m and mass 10 kg rotates at...

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