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What is centripetal force?...

What is centripetal force?

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Define angular velocity. Show that the centripetal force on a particle undergoing uniform circular motion is -m omega^2 vecr .

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Define angular velocity. Show that the centripetal force on a particle performing uniform circular motion is frac(-mv^2vecr)(r^2)

What is centrifugal force ?

What are centripital force

Answer the following questions. What are (i) free fall, (ii) acceleration due to gravity (iii) escape velocity (iv) centripetal force ?

A car of mass 1500 kg rounds a curve of radius 250 m at 90 km/h. Calculate the centripetal force acting on it.

An object of mass 50 g moves uniformly along a circular orbit with an angular speed of 5 rad/s. If the linear speed of the particle is 25 m/s, what is the radius of the circle? Calculate the centripetal force acting on the particle.

IF p is the magnitude of linear momentum of a particle executing a uniform circular motion, then the ratio of centripetal force acting on the particle to its linear momentum is given by

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CHETANA PUBLICATION-GRAVITATION-EXAMPLE
  1. Explain the terms: Acceleration due to gravity

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  2. Explain the terms: escape velocity

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  3. What is centripetal force?

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  4. Explain the terms: Gravitational Potential energy

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  5. Define : The Universal law of gravitation and derive mathematically .

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  6. Define:Acceleration due to gravity and derive mathematically

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  7. The value of 'g' at the centre of the Earth is zero Explain ?

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  8. Write the laws given by Kepler.How did they help Newton to arrive at t...

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  9. State Kepler's thrid law and derive mathematically to obtain constant

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  10. If the value of g suddenly becomes twice its value,it will become two ...

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  11. Explain centripetal force with suitable example

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  12. Define:Escape velocity and derive mathematically .

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  13. Is there a gravitational force between two objects kept on a table or ...

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  14. Will you weight remain constant as you go above the surface of the ear...

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  15. According to Newton's law of gravitation,earth's gravitational force i...

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  16. The force of Graviation between two bodies having irregular shape is t...

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  17. If the distance between the two bodies is tripled, what will be the Gr...

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  18. The mass of m2 was reduced to 50% and the force exerted by m1on m2 is ...

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  19. Why gravitational constant is called universal constant ?

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  20. what will happen to gravitational force if mass of one of the objects ...

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