Subrata Kumar Choudhury and Jibananda Paul Solutions for Chapter: Force and Motion, Exercise 1: EXERCISE

If a body of weight $10 \mathrm{N}$  is hanging from a rigid support by a string. What is the force exerted by the string on the body?

Graphically establish the relation $s=u\times t+\frac{1}{2}\times a\times t^2$ where the symbols have their usual meaning.

Graphically establish the relation $v^2=u^2+2\times a\times s$ where symbols has their usual meaning.

The velocity-time graph of a particle is shown alongside. Find the acceleration along OA, AB and AC path.

The velocity-time graph of a particle is shown alongside. Calculate the total distance travelled by the particle.

State Newton's second law. What is the relation between force and change of momentum? What is the unit of force?

A particle moves $30 \mathrm{m}$ in first $6 \mathrm{s}$ of its motion and then $80 \mathrm{m}$ in $5 \mathrm{s}$. Calculate its initial velocity.

A particle moves $30 \mathrm{m}$ in $5 \mathrm{s}$ and then $80 \mathrm{m}$ in $5 \mathrm{s}$. Calculate acceleration of the particle.