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Units And Measurement

Question

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Which of the two masses is greater-inertial mass or gravitational mass?

Solution

Inertial mass and gravitational mass are precisely equal to each other. The equivalence of these masses makes it possible for all the objects to fall at the same rate.

Some More Questions From Units and Measurement Chapter

Give four examples of physical quantities.

Define unit.

What are the two main required characteristics of a unit?

Can we use same units for different physical quantities?

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.

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