Correct the following.

(i) The motion of a swing is an example of rectilinear motion.

(ii) 1m = 1000 cm

Which of the following figure shows the correct placement of a block along a scale for measuring its length?

(a)

(b)

(c)

(d)

You are provided three scales A, B and C as shown in Fig. 10.6 to measure a length of 10 cm.

For the correct measurement of the length you will use the scale

Fill in the blanks

(i) Motion of an object or a part of it around a fixed point is known as ................ motion.

(ii) A body repeating its motion after certain interval of time is in ........... motion.

(iii) In rectilinear motion, object moves........... a ............ line.

(iv) SI unit of length is ............

Write one example for each of the following type of motion.

(i) Rectilinear

(ii) Circular

(iii) Periodic

(iv) Circular and periodic