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प्रश्न
Name the force which stops you falling through the floor.
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उत्तर
Reaction force
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संबंधित प्रश्न
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?
What do you mean by the term free fall ?
Explain why, if a stone held in our hand is released, it falls towards the earth.
Name the force which wears away two surfaces as they move over one another.
An object thrown vertically upwards reaches a height of 500 m. What was its initial velocity? How long will the object take to come back to the earth? Assume g = 10 m/s2
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?
Explain why:
Objects fall to the earth.
Write scientific reason.
The value of gravitational acceleration (g) is taken to be -g when studying the motion of an object thrown upwards in a straight line.
Write a short note.
Free Fall
