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Units And Measurement

Question

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A point mass m is tied with string and wound over the hollow cylinder of radius R, mass m and moment of inertia I. How does the acceleration of point mass depend on the radius of cylinder?

Solution

The acceleration of the point mass is independent of the radius of cylinder.

Some More Questions From Units and Measurement Chapter

Can we use different units to measure same physical quantity?

To measure a physical quantity X, the unit U is repeatedly used for n times. What is the magnitude of physical quantity?

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?

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