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प्रश्न
What does a force do in the following case?
You twist a piece of rubber.
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उत्तर
Force produces stretching in the rubber.
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संबंधित प्रश्न
Calculate the force of gravitation between the earth and the Sun, given that the mass of the earth = 6 × 1024 kg and of the Sun = 2 × 1030 kg. The average distance between the two is 1.5 × 1011 m.
Answer the following:
An astronaut inside a small space ship orbiting around the earth cannot detect gravity. If the space station orbiting around the earth has a large size, can he hope to detect gravity?
Choose the correct alternative:
Acceleration due to gravity increases/decreases with increasing altitude.
Three equal masses m are placed at the three corners of an equilateral triangle of side a. Find the force exerted by this system on another particle of mass m placed at (a) the mid-point of a side, (b) at the centre of the triangle.
What does a force do in the following case?
You apply brakes to a running car.
Why does a ball moving on a table top eventually stops?
State the law of gravitation. Why is it called universal?
As observed from earth, the sun appears to move in an approximate circular orbit. For the motion of another planet like mercury as observed from earth, this would ______.
Give scientific reasons for the following:
Newton's gravitational law is the universal law of gravitation.
The acceleration of the Moon towards the Earth is approximately:
