Advertisements
Advertisements
प्रश्न
Right or wrong sentence.
Free fall of an object does not depend on the mass of the object.
विकल्प
Right
Wrong
Advertisements
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 is the acceleration of free fall?
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.
A stone is thrown vertically upward with an initial velocity of 40 m/s. Taking g = 10 m/s2, find the maximum height reached by the stone. What is the net displacement and the total distance covered by the stone?
Explain what is meant by the equation :
`g= Gxxm/r^2`
where the symbols have their usual meanings.
During a free fall, will heavier objects accelerate more than lighter ones ?
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)
Explain why, the tip of a sewing needle is sharp.
Name the force which wears away two surfaces as they move over one another.
Name the force which pulled the apple off Isaac Newton’s tree.
What will be the weight of a person on earth, who weighs 9N on the moon?
Choose one or more correct alternatives.
Which of the forces involved in dragging a heavy object on a smooth, horizontal surface, have the same magnitude?
- The horizontal applied force
- gravitational force
- reaction force in vertical direction
- force of friction
A force acts for 0.1 s on a body of mass 2.0 kg initially at rest. The force is then withdrawn and the body moves with a velocity of 2 m s-1. Find the magnitude of the force.
How is the acccelaration due to gravity on the surface of the earth realted to its mass and radius ?
A body is projected vertically upward with an initial velocity u . If acceleartion due to gravity is g , the time for which it remains in air , is :
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?
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 value of gravitational acceleration (g) is ______.
Write a short note.
Escape Velocity
