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Physics Part-I

Gravitation

A body weighs 63 N on the surface of the earth. What is the gr

Physics Part-I

Class 11

NCERT

Chapter 1: Physical World

16 questions

Chapter 2: Units and Measurements

51 questions

Chapter 3: Motion in Straight Line

50 questions

Chapter 4: Motion in a Plane

43 questions

Chapter 5: Laws of motion

52 questions

Chapter 6: Work, Energy and Power

41 questions

Chapter 7: System of Particles and Rotational Motion

45 questions

Chapter 8: Gravitation

33 questions

A saturn year is 29.5 times the earth year. How far is the saturn from the sun if the earth is

1.50 \times 1 0^{8} km

away from the sun ?

A body weighs

63

N on the surface of the earth. What is the gravitational force (in N) on it due to the earth at a height equal to half the radius of the earth ?

Assume the earth to be a sphere of uniform mass density, how much would a body weigh (in N) half way down to the center of the earth if it weighed 250 N on the surface ?

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Easy

Solving time: 1 mins

A body weighs $63$ N on the surface of the earth. What is the gravitational force (in N) on it due to the earth at a height equal to half the radius of the earth ?

Views: 6,874 students

Updated on: Aug 4, 2023

Book:

Physics Part-I (NCERT)

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A body weighs

63

N on the surface of the earth. What is the gravitational force (in N) on it due to the earth at a height equal to half the radius of the earth ?

15 mins ago

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15 mins ago

Text solutionVerified

Weight of the body,

W = 63 N

Acceleration due to gravity at height

h

from the Earths surface is given by the relation:

g^{'} = \frac{g}{( 1 + \frac{h}{R _{e}} ) ^{2}}

Substituting

h = R_{e} /2

g^{'} = 4 g /9

Weight of body of mass m at height h is given as:

W^{'} = m g^{'}

= 4/9 m g

= 4/9 \times 63 = 28 N

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Practice more questions from Physics Part-I (NCERT)

A saturn year is 29.5 times the earth year. How far is the saturn from the sun if the earth is

1.50 \times 1 0^{8} km

away from the sun ?

A body weighs

63

N on the surface of the earth. What is the gravitational force (in N) on it due to the earth at a height equal to half the radius of the earth ?

Assume the earth to be a sphere of uniform mass density, how much would a body weigh (in N) half way down to the center of the earth if it weighed 250 N on the surface ?

View all

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Question Text	A body weighs $63$ N on the surface of the earth. What is the gravitational force (in N) on it due to the earth at a height equal to half the radius of the earth ?
Updated On	Aug 4, 2023
Topic	Gravitation
Subject	Physics
Class	Class 11
Answer Type	Text solution:1 Video solution: 14
Upvotes	1306
Avg. Video Duration	5 min

A body weighs $63$ N on the surface of the earth. What is the gravitational force (in N) on it due to the earth at a height equal to half the radius of the earth ?

Text solutionVerified

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