The value of G is-

Important Questions on Gravitation

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9th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-9>Chapter 11 - Gravitation>Exercise>Q 1

The value of gravitational acceleration on the surface of earth is- (use $G=6.67\times {10}^{-11}\raisebox{1ex}{$\mathrm{N} {\mathrm{m}}^2$}\!\left/ \!\raisebox{-1ex}{${\mathrm{kg}}^2$}\right.$, mass of earth$=6\times {10}^{24} \mathrm{kg}$, radius of earth $=6.4\times {10}^6 \mathrm{m}$ )

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9th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-9>Chapter 11 - Gravitation>Exercise>Q 1

According to universal law of gravitation, the force acting between two bodies of masses $m_1$ and $m_2$ placed at a distance $R$ is- 

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9th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-9>Chapter 11 - Gravitation>Exercise>Q 1

A body is moving upwards opposing the gravitational pull of earth. What will be its velocity at the highest point reached?

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9th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-9>Chapter 11 - Gravitation>Exercise>Q 2

On earth, the weight of a body having $10 \mathrm{kg}$ mass will be _____ $\mathrm{N}$. ($g=9.8 \mathrm{m} {\mathrm{s}}^{-2}$)

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9th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-9>Chapter 11 - Gravitation>Exercise>Q 2

A body falling from rest from a height h will have a velocity of$\sqrt{x}$. The value of $x$ is _____.

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9th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-9>Chapter 11 - Gravitation>Exercise>Q 2

Value of universal gravitational constant is _____ $\times {10}^{-11} \mathrm{N} {\mathrm{m}}^2/{\mathrm{kg}}^2$.

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9th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-9>Chapter 11 - Gravitation>Exercise>Q 2

The value of gravitational acceleration in SI units is _____ $\raisebox{1ex}{$\mathrm{m}$}\!\left/ \!\raisebox{-1ex}{${\mathrm{s}}^2$}\right.$.

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9th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-9>Chapter 11 - Gravitation>Exercise>Q 2

If two objects of different masses are dropped from a same height, they will reach the surface of earth at _____ time.