Physics>Mechanics>Gravitation>The Gravitational Constant

EASY

Earn 100

In Cavendish experiment to determine the value of $G$ , name of apparatus used is balance.

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Important Questions on Gravitation

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Physics>Mechanics>Gravitation>The Gravitational Constant

The value of gravitational constant

G

depends upon

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Physics>Mechanics>Gravitation>The Gravitational Constant

The dimensions of Universal gravitational constant is

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Physics>Mechanics>Gravitation>The Gravitational Constant

An astronaut of mass

m

is working on a satellite orbiting the earth at a distance

h

from the earth's surface. The radius of the earth is

R

, while its mass is

M

. The gravitational pull

F_{G}

on the astronaut is

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Physics>Mechanics>Gravitation>The Gravitational Constant

What is Cavendish experiment?

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Physics>Mechanics>Gravitation>The Gravitational Constant

In Cavendish's experiment why lead ball was used?

MEDIUM

Physics>Mechanics>Gravitation>The Gravitational Constant

The force with which a sphere of mass

40 kg

attracts another sphere of mass

15 kg

placed

20 cm

away from its centre is

1 mg - wt

. Find, from these, the value of the gravitational constant.

MEDIUM

Physics>Mechanics>Gravitation>The Gravitational Constant

What are the dimensions of the universal gravitational constant?

EASY

Physics>Mechanics>Gravitation>The Gravitational Constant

Cavendish Experiment to measure

G

uses the concept of

MEDIUM

Physics>Mechanics>Gravitation>The Gravitational Constant

Find the value of $G$ from the following data: $M = 6 \times 10^{24} kg, R = 6400 km, g = 9.774 m / s^{2}$

MEDIUM

Physics>Mechanics>Gravitation>The Gravitational Constant

Write down the magnitude of gravitational constant in

M . K . S .

system. What is its dimension ? Why it is called universal constant?

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Physics>Mechanics>Gravitation>The Gravitational Constant

Give the dimension of universal Gravitational constant

G

.

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Physics>Mechanics>Gravitation>The Gravitational Constant

Cavendish's experiment was performed in

1798

i.e in

18^{th}

century.

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Physics>Mechanics>Gravitation>The Gravitational Constant

State the unit and dimension of the universal gravitational constant

(G)

.

MEDIUM

Physics>Mechanics>Gravitation>The Gravitational Constant

Explain the Cavendish's Experiment for the determination of

G

?

MEDIUM

Physics>Mechanics>Gravitation>The Gravitational Constant

State SI unit and obtain dimensions of universal gravitational constant.

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Physics>Mechanics>Gravitation>The Gravitational Constant

The value of universal gravitational constant

G = 6.67 \times 10^{- 11} N m^{2} k g^{- 2}

. The value of

G

in units of

g^{- 1} c m^{3} s^{- 2}

is

6.67 \times 10^{- n}

. The value of

n

is _____.

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Physics>Mechanics>Gravitation>The Gravitational Constant

Distinguish between

' g'

and

' G'

and give their units.

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Physics>Mechanics>Gravitation>The Gravitational Constant

The force of attraction between two unit point masses separated by unit distance is called

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Physics>Mechanics>Gravitation>The Gravitational Constant

Which of the following statements about the gravitational constant is true?

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Physics>Mechanics>Gravitation>The Gravitational Constant

Cotyledons are also called-