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Gravitational force acts on all objects in proportion to their

Science

Class 9

NCERT

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Chapter 15: Gravitation

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How does the force of gravitation between two objects change when the distance between them is reduced to half?

Gravitational force acts on all objects in proportion to their masses. Why then, a heavy object does not fall faster than a light object?

What is the magnitude of the gravitational force between the earth and a

1 k g

object on its surface? (Mass of the earth is

6 \times 1 0^{24} k g

and radius of the earth is

6.4 \times 1 0^{6} m

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Question

Easy

Solving time: 2 mins

Gravitational force acts on all objects in proportion to their masses. Why then, a heavy object does not fall faster than a light object?

Views: 6,501 students

Updated on: Sep 16, 2023

Book:

Science (NCERT)

Text solutionVerified

Weight of an object on surface of earth

= m g

Where ,

m =

mass of the object

g =

acceleration due to gravity

Gravitational force on the object ,

F = G \frac{M m}{r ^{2}}

Where

G =

Gravitational constant

M =

Mass of Earth

m =

mass of object

r =

distance between object and earth i.e. radius of Earth.

Also We know that Weight of Object = Force of gravitation acting on it

F = G \frac{M m}{r ^{2}} = m g

\Rightarrow g = \frac{GM}{r ^{2}}

From above we can conclude that the acceleration due to gravity

g

is the same for all the objects, irrespective of the mass and size of the object.

Hence they have the same acceleration due to gravity and fall with the same speed

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How does the force of gravitation between two objects change when the distance between them is reduced to half?

Gravitational force acts on all objects in proportion to their masses. Why then, a heavy object does not fall faster than a light object?

What is the magnitude of the gravitational force between the earth and a

1 k g

object on its surface? (Mass of the earth is

6 \times 1 0^{24} k g

and radius of the earth is

6.4 \times 1 0^{6} m

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Question Text	Gravitational force acts on all objects in proportion to their masses. Why then, a heavy object does not fall faster than a light object?
Updated On	Sep 16, 2023
Topic	Gravitation
Subject	Science
Class	Class 9
Answer Type	Text solution:1 Video solution: 19
Upvotes	1968
Avg. Video Duration	6 min

Gravitational force acts on all objects in proportion to their masses. Why then, a heavy object does not fall faster than a light object?

Text solutionVerified

Video solutions (19)

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