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What is centripetal force ?...

What is centripetal force ?

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A force acting on a body causing it to move in a circular path is called the centripetal force.
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Which component of force provide centripetal force to vehicle moving with optimum speed ?

On which place on the surface of the earth, centripetal force is maximum ?

For object moving on circular path centripetal force (F) depend on mass (m), velocity (v) and radius (r). Derive equation of centripetal force F.

Angular momentum of the particle rotating with a centripetal force is constant due to …………..

In uniform magnetic field during circular motion of charge particle, centripetal force is provided by _____.

A: Electric force is the reason for electron to remain in a atom. R : According to Coulomb's law, the electron in a atom can remain stable in nucleus only if the centripetal force is equal to its centrifugal force.

Two stones of masses m and 2 m are whirled in horizontal circles, the heavier one in a radius and the lighter one in radius r/2. The tangential speed of lighter stone is n times that of the value of heavier stone when they experience same centripetal forces. The value of n is:

Assertion:- Two identical trains move in opposte sense in equatorial plane with equal speed reltative to earth's surface. They have equal magnitude of normal reaction. Reason:- The trains require same centripetal force although they have different speeds.

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Write equation of centripetal acceleration and centripetal force for uniform circular motion.

KUMAR PRAKASHAN-GRAVITATION-Questions And Answers
  1. What is centripetal force ?

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  2. What is the SI unit of G, the universal gravitational constant ?

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  3. What is the value of G?

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  4. Who determined the value of G?

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  5. Write the mathematical expression for the calculation of the magnitude...

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  6. A stone describing a circular path has constant speed or constant velo...

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  7. Which force is required to keep a body in uniform circular motion ?

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  8. Which forces generate tides in ocean ?

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  9. The value of G on the surface of the earth is 6.673 xx 10^(-11) N m^2k...

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  10. Which of the following will be greater ? Foree of attraction of the ea...

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  11. Due to which force does the moon revolve around the earth on circular ...

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  12. The earth and the moon are attracted to each other by gravitational fo...

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  13. What happens to the force between two objects, if (i) the mass of on...

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  14. State two factors оп which the gravitational force between two objects...

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  15. The gravitation force between two objects is F. How will the force cha...

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  16. When a body is thrown vertically upward, at maximum height what will b...

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  17. Which type of motion is described by a freely falling body ?

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  18. What is the value of g on the surface of the earth ?

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  19. What will be the mass of a body on the moon, if its mass on the earth ...

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  20. What is the weight of the body on the moon, whose weight on the earth ...

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