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Units And Measurement

Question

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What is rotational kinematics and rotational dynamics?

Solution

Rotational kinematics is the study of rotational motion without considering the cause of rotational motion.
That is, without taking into consideration the torque acting on a body.

Rotational dynamics is the study of rotational motion by considering the cause of rotational motion.

Some More Questions From Units and Measurement Chapter

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?

Name the fundamental quantities of mechanics.

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