Advertisements
Advertisements
प्रश्न
What do you mean by the term free fall ?
Advertisements
उत्तर
A falling body, on which only the earth’s gravity acts, is known as a freely falling body and such a fall is known as free fall.
APPEARS IN
संबंधित प्रश्न
What do you mean by acceleration due to gravity?
When an object is dropped from a height, it accelerates and falls down. Name the force which accelerates the object.
What is the force of gravity on a body of mass 150 kg lying on the surface of the earth? (Mass of earth = 6 x 1024 kg; Radius of earth = 6.4 x 106 m; G = 6.7 x 10-11 Nm2/kg2)
Name the force which stops you falling through the floor.
What will be the weight of a person on earth, who weighs 9N on the moon?
What would be the value of ‘g’ on the surface of the earth if its mass was twice and its radius half of what it is now?
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)
In vacuum, all freely falling objects have the same force. Is it true?
What do you understand by the free fall?
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)
