Dhiren M Doshi Solutions for Chapter: Motion and Measurement of Distances, Exercise 3: EXERCISES

Mohan goes to see the republic day parade with his father. He is very happy to see the soldiers marching in harmony. He tells his father of his desire to be a soldier.

What value do we learn from the marching soldiers?

What is meant by periodic motion? Give two examples of periodic motion.

What are the standard units of measurement? Why is it necessary to have a standard unit of measurement?

What is meant by translatory motion.

Define the type of translatory motion. Give two examples of each.

Why do scientists use SI units for measurements?

Name the type of motion in a bullet fired from a gun.

While measuring the length of a paper clip on a scale, the reading at one end is $1.0 \mathrm{cm}$ and at the other end is  $4.3 \mathrm{cm}$. What is the total length of the paper clip?