Tamil Nadu Board Solutions for Chapter: Motion, Exercise 1: textbook exercises

What do you understand about negative acceleration?

Is the uniform circular motion accelerated? Give reasons for your answer

What is meant by uniform circular motion? Give two examples of uniform circular motion.

Derive the equations of motion by graphical method.

Explain different types of motion.

A ball is gently dropped from a height of $20 \mathrm{m}$. If its velocity increases uniformly at the rate of $10 \mathrm{m}/{\mathrm{s}}^{–2}$, with what velocity will it strike the ground? After what time will it strike the ground?

An athlete completes one round of a circular track of diameter $200 \mathrm{m}$ in $40 \mathrm{s}$. What will be the distance covered and the displacement at the end of $2 \min$ and $20 \mathrm{s}$?

A racing car has a uniform acceleration of $4 \mathrm{m}/{\mathrm{s}}^{–2}$. What distance it covers in $10 \mathrm{s}$ after the start?