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Physical World

Question

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What is the source of gravitational force?

Solution

Gravitational force is a non-contact force. The gravitational force between two bodies is caused by virtue of their masses.

Some More Questions From Physical World Chapter

What is information?

What is technology?

What is the source of energy to which we have to ultimately depend upon?

“Politics is the art of the possible”. Similarly, “Science is the art of the soluble”. Explain this beautiful aphorism on the nature and practice of science.

Who discovered neutron?

Who discovered electron?

Who gave the theory of relativity?

Who gave the law of inertia?

Who gave the law of gravitation?

Who discovered the radioactivity?

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