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प्रश्न
Right or wrong sentence.
Free fall of an object does not depend on the mass of the object.
पर्याय
Right
Wrong
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उत्तर
The given sentence is right.
Explanation:
In ideal free fall (only gravity acting), the acceleration g is the same for all objects at a given location, so the motion does not depend on the object’s mass.
संबंधित प्रश्न
What do you mean by free fall?
When an object is dropped from a height, it accelerates and falls down. Name the force which accelerates the object.
What force is responsible for the earth revolving round the sun ?
State whether the following statement is true or false :
A falling stone also attracts 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.
Give reason for the following :
The force of gravitation between two cricket balls is extremely small but that between a cricket ball and the earth is extremely large.
Explain why, if a stone held in our hand is released, it falls towards the earth.
Solve the problem.
If the mass of a planet is eight times the mass of the Earth and its radius is twice the radius of the Earth, what will be the escape velocity for that planet?
What will be the weight of a person on earth, who weighs 9N on the moon?
The total energy of an object falling freely towards the ground ______.
A force of 10 N acts on a body of mass 5 kg. Find the acceleration produced.
Figure shows the velocity-time graph of a particle of mass 100 g moving in a straight line. Calculate the force acting on the particle.
(Hint : Acceleration = Slope of the v-t graph)
A force causes an acceleration of 10 m s-2 in a body of mass 500 g. What acceleration will be caused by the same force in a body of mass 5 kg?
Define the term acceleration due to gravity? Write its S.I. unit.
State whether the below statement is True or False.
Neglecting air resistance, a body falling freely near the earth's surface has a constant acceleration.
The free fall of an object is possible only in ______.
Right or wrong sentence:
The value of gravitational acceleration at the centre of earth is zero.
Write scientific reasons.
When we drop a feather and a stone at the same time from a height the stone reach the earth faster than a feather.
Distinguish between:
Universal gravitational constant – Gravitational acceleration of earth.
When is free fall possible?
