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प्रश्न
What do you mean by free fall?
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उत्तर
- The gravity of the Earth attracts every object towards its centre.
- When an object is released from a height, it falls towards the surface of the earth under the influence of gravitational force.
- The motion of the object is said to have free fall.
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संबंधित प्रश्न
Name the force which stops you falling through the floor.
The value of acceleration due to gravity of earth :
The total energy of an object falling freely towards the ground ______.
What force, in newton, your muscles need to apply to hold a mass of 5 kg in your hand? State the assumption.
What is the acceleration due to gravity?
In vacuum, all freely falling objects have the same force. Is it true?
Explain why:
Objects fall to the earth.
The free fall of an object is possible only in _______.
The mass and weight of an object on earth are 5 kg and 49 N respectively. What will be their values on the moon? Assume that the acceleration due to gravity on the moon is 1/6th of that on the earth.
Calculate the escape velocity on the surface of the moon given the mass and radius of the moon to be 7.34 × 1022 kg and 1.74 × 106 m respectively.
(Given: G = 6.67 × 10-11 Nm2/kg2)
