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प्रश्न
Law of gravitation gives the gravitational force between
पर्याय
the earth and a point mass only
the earth and Sun only
any two bodies having some mass
two charged bodies only
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उत्तर
any two bodies having some mass
Explanation:
The Law of gravitation gives the gravitational force between any two bodies having some mass as it is a universal law.
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संबंधित प्रश्न
Write the formula to find the magnitude of the gravitational force between the earth and an object on the surface of the earth.
Answer the following:
You can shield a charge from electrical forces by putting it inside a hollow conductor. Can you shield a body from the gravitational influence of nearby matter by putting it inside a hollow sphere or by some other means?
Universal law of gravitation states that every object exerts a gravitational force of attraction on every other object. If this is true, why don’t we notice such forces ? Why don’t the two objects in a room move towards each other due to this force ?
Consider a planet moving in an elliptical orbit round the sun. The work done on the planet by the gravitational force of the sun
(a) is zero in any small part of the orbit
(b) is zero in some parts of the orbit
(c) is zero in one complete revolution
(d) is zero in no part of the motion.
A ball is thrown vertically upwards. It goes to a height 20 m and then returns to the ground. Taking acceleration due to gravity g to be 10 ms-2 , find :
the total time of journey of the ball .
Why don't you feel the force of attraction between your friend sitting close to you and yourself?
What does a force do in the following case?
You twist a piece of rubber.
The _______ force is much weaker than other forces in nature.
State the universal law of gravitation and derive its mathematical expression.
Give the applications of universal law gravitation.
