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PHYSICS

Class 11
Comprehensive Questions

Chapter 5

Q 1 What are centripetal acceleration and centripetal force? Derive their equations.

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Q 2 Show that the angular momentum in magnitude is given by .

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Q 3 Show that role playing by mass in linear motion is playing by moment of inertia in rotatory motion.

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4 Show that in angular form, centripetal acceleration is: .

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Q 5 Show that centripetal force is also shown by

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Q 6 Show that a satellite near the earth will have greater velocity.

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Q 7 What do you mean by weight of a body? Use examples to distinguish between real weight and apparent weight of a body.

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Q 8 Explain how gravity is provided to the occupant of a spaceship.

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Q 9 Give different three examples to illustrate the phenomena of conservation of angular momentum.

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Q 10 Explain why mud guards are used on the wheels of cycle, motor cars and other driving vehicles?

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