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Units and Measurement
Question
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Under what conditions the centre of mass of two bodies lies midway between the two bodies?

Answer

When the masses of two bodies are equal then centre of mass lies midway between the two bodies.

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Some More Questions From Units and Measurement Chapter

Does the numerical factor in the quantitative measurement depend on the system of unit used?

Is one unit sufficient to measure a physical quantity?

Can a physical quantity have two or more units? Give example.

What are fundamental quantities?

How many fundamental quantities are there in mechanics?

How many fundamental quantities are there in Physics?

Name the fundamental quantities of mechanics.

Name the different system of units in mechanics that are internationally accepted.