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Why centripetal force cannot do work?...

Why centripetal force cannot do work?

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The centripetal force canot do work on the object since it is always perpendicular to the velocity.
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PREMIERS PUBLISHERS-MOTION OF SYSTEM OF PARTICLES AND BODIES-OTHER IMPORTANT QUESTIONS & ANSWER (CONCEPTUAL QUESTIONS)
  1. Why centripetal force cannot do work?

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  2. Should the centre of mass of a body necessarily lie inside the body?

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  3. Is centre of mass of reality ?

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  4. Why in hand driven grinding machine, handle is put near the circumfere...

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  5. Is a body in circular motion in equilibrium?

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  6. A ladders is more likely to slip when a person is near the top than wh...

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  7. Can a body in equilibrium while in motion? If yes state an example.

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  8. If no external torque acts on a body will its angular velocity remain ...

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  9. The bottom of a ship is made heavy. Why?

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  10. Why does a boy lean towards right hand side while carrying a bag in hi...

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  11. Some heavy boxes are to be loaded along with some empty boxes on a car...

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  12. About which axis, the moment of inertia of a body is minimum?

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  13. A disc is recast into a thin walled cylinder of same radius. Which wil...

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  14. A cat is able to land on its feet after a fall. Why?

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  15. Give examples where the centre of mass coincides with the geometrical ...

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  16. Why spokes are provided in a bicycle wheel?

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  17. Two boys of the same weight sit at the opposite ends of a diameter of ...

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  18. What is the power needed to maintain uniform circular motion?

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  19. A particle moves in a circular path with decreasing speed. What happen...

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  20. Why centripetal force cannot do work?

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