A P Shreelatha and Neetu Singh Solutions for Chapter: Motion, Exercise 6: EXERCISES

Name the device used to record the distance travelled by a car.

In a uniform circular motion which one of the following is constant, speed or velocity ?

Displacement time graphs are shown below. Draw the approximate v-t graphs.

V-t graphs are shown below. Draw the approximate acceleration-time graphs.

(i)

(ii) 

The graph given below shows the position of a body moving along the x-axis as a function of time

Answer the following: (a) Calculate the velocity (i) in first $2$ seconds (ii) between $2$ to $5$ seconds (iii) between $5$ to $7$ seconds.

(b) What is the position of the body at ? (i) $t = 5 \mathrm{s}$ (ii) $t = 7 \mathrm{s}$

(c) What is the displacement of the body during the 7th s of motion?

The $d-t$ Graph for a body is given below. State whether the velocity and acceleration of the body in the region AB, BC, DE, EF and FG are positive, negative, or Zero.

The values of displacement of a body at different instances of time are given below:

(a) Draw the displacement-time graph.

(b) What is the slope of the line obtained?

(c) What is the velocity of the body?
(d) Is the velocity uniform?

(e) Draw the v-t graph.

Represent the following displacements graphically.

(a) $5 \mathrm{m}$ in the north-east direction

(b) $10 \mathrm{m}$ in north-west direction

(c) $15 \mathrm{m}$ in the south direction

(d) $6 \mathrm{m}$ in the south-west direction