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प्रश्न
What does a force do in the following case?
You apply brakes to a running car.
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उत्तर
Force provides retardation to the car and finally stops the car.
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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.
State two applications of universal law of gravitation.
State the universal law of gravitation. Name the scientist who gave this law.
Two spherical balls of mass 10 kg each are placed 10 cm apart. Find the gravitational force of attraction between them.
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 .
The gravitational force between two bodies is directly proportional to the product of the masses of those bodies and is ______ of the distance between them.
The gravitational force between a hollow spherical shell (of radius R and uniform density) and a point mass is F. Show the nature of F vs r graph where r is the distance of the point from the centre of the hollow spherical shell of uniform density.
Give scientific reasons for the following:
Newton's gravitational law is the universal law of gravitation.
If the mass of one object is doubled and distance remains the same, the gravitational force will ______.
Who measured the value of the Universal Gravitational Constant G using the Cavendish balance?
