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Units And Measurement

Question

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What is the moment of inertia of disc of mass m and radius r about its diameter?

Solution

Moment of inertia of a uniform circular disc about any diameter of the disc is,
I_d =

1 half space straight I space equals space 1 half open square brackets 1 half MR squared close square brackets space equals space 1 fourth space MR squared space

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.

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