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प्रश्न
What does a force do in the following case?
You catch a kicked ball.
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उत्तर
Force decreases the momentum of ball and finally stops the ball.
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संबंधित प्रश्न
The earth and the moon are attracted to each other by gravitational force. Does the earth attract the moon with a force that is greater or smaller or the same as the force with which the moon attracts the earth? Why?
A tunnel is dug along a diameter of the earth. Find the force on a particle of mass m placed in the tunnel at a distance x from the centre.
The mass of moon is about 0.012 times that of earth and its diameter is about 0.25 times that of earth. The value of G on the moon will be:
State whether the gravitational force between two masses is attractive or repulsive ?
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 final velocity of the ball on reaching the ground .
How will the force of gravitation between two objects change if the distance between them is:
Infinite
A ball is thrown up with a speed of 4.9 ms-1.
Calculate the time it takes to reach this height.
Where will you weigh more: at the centre of the earth or at the surface of the earth?
What does a force do in the following case?
You twist a piece of rubber.
If the mass of one object is doubled and distance remains the same, the gravitational force will ______.
