Question # 1

the value of gravitational field strength near the earth is ________ Nkg^-1.

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1.62

100

10

160

Anything that rotates around a planet is called:

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Star

Sun

Moon

Satellite

Orbital velocity v_o =

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√gR

√RG

gR

gR²

The first man who gave the idea of gravity:

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Hero

Einstein

Newton

Faraday

Law of Gravitation is consistence with:

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1st Law of motion

2nd Law of motion

3rd Law of motion

Law of momentum

Mass of earth is Me is :

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Me = 6× 1024 kg

6× 1024 kg

7× 1024 kg

6× 1024 Mg

A body is placed at height 'h' above the surface of the Earth.The value of 'g' is given by

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gh = Me/(R + h)2

gh = GMe/(R +h)2

gh = GMe/R2h

S.I unit of G is:

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Nm^-2 kg²

Nm^-2Kg^-2

Nm²kg^-2

Nm²kg^-3

Value of g on mercury is ___________ ms^-2.

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25.94

3.7

8.87

1.62

The weight of a body is 100 N its weight in deep space is :

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100 N

50 N

25 N

0 N

The value of 'g' is maximum

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At mountains

At plains

At the surface of earth

At sea level

The value of g at a height one Earth's radius above the surface of the earth is:

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2g

1/2 g

1/3 g

1/4 g

Newton's law of gravitation resembles with

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1st law of motion

2nd law of motion

3rd law of motion

Law of gravitation

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9th Class Physics Chapter 5 Gracitation English Medium KPK Boards Online Mcqs MCQs With Answers

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