Free Fall

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Free Fall: Overview

This topic covers concepts, such as, Gravitation and Fall of an Object towards the Earth, Free Fall, Variation in the Acceleration Due to Gravity at Different Places & Motion of Objects under the Influence of Gravitational Force of the Earth etc.

Important Questions on Free Fall

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At the start of motion, an object under free fall will have : 

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The resistance due to air depends on -

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A body falling from rest from a height h will have a velocity of :

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Any motion of a body where gravitational force is the only force acting on that body is called _____.

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A body is said to be in free fall, when only the _____ force acts on it.

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A body is said to be in free fall, when only the _____ force acts on it.

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The motion of an object where gravity is the only force acting upon it is known as 

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An object is thrown vertically upwards. Acceleration of the object remains same as it goes up.

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Where is the accelerations due to gravity maximum? (at poles/at equator)

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An object thrown vertically upwards reaches a height of 500 m. How much time (in s) will the object take to come back to the earth? g=10 m s-2

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An object thrown vertically upwards reaches a height of 500 m. What was its initial velocity (in m s-1)? g=10 m s-2

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The acceleration due to gravity 'g' depends on _____.

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Two objects of different masses falling freely near the surface of moon would 

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'g' on earth = _____ (SI unit).

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Gravitational force of earth is called _____.

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When a body is thrown upwards, then time of ascend = time of _____.

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On what factors does value of 'g' depend?

(Choose from the following: Mass and radius of the body / Mass and radius of the Earth / Only mass of the Earth/ Only mass of the body)

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Who experimentally confirmed Galileo's statement that feather falls slowly than coin due to air resistance?

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How does 'g' vary with change in altitude above the earth's surface?

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In which direction does the acceleration due to gravity on a planet act?