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प्रश्न
What do you understand by the free fall?
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उत्तर
Free fall means motion of a body under the gravity of earth only.
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संबंधित प्रश्न
Gravitational force acts on all objects in proportion to their masses. Why then, a heavy object does not fall faster than a light object?
A ball is thrown vertically upwards with a velocity of 49 m/s. Calculate
- the maximum height to which it rises.
- the total time it takes to return to the surface of the earth.
Which force is responsible for the moon revolving round the earth ?
State whether the following statement is true or false :
The acceleration due to gravity acting on a freely falling body is directly proportional to the mass of the body.
Explain why, a wide steel belt is provided over the wheels of an army tank.
Name the force which pulled the apple off Isaac Newton’s tree.
The value of gravitational acceleration (g) is ______.
Right or wrong sentence:
The value of gravitational acceleration at the centre of earth is zero.
Write scientific reasons.
The value of gravitational acceleration (g) is taken to be -g when studying the motion of an object thrown upwards in a straight line.
Define acceleration due to gravity.
