Question

3. Boojho observed the motion of a merry-go-round, blades of a mixer grinder and hands of a clock . He said
i) Linear motion ii) periodic motion iii) rotational motion
a) i and ii
b) i and iii
c) ii and iii
d) i ,ii and iii

Answer 1

Answer:

(a) The galloping of a horse : Linear motion.

(b) The needle of a sewing machine : Periodic motion.

(c) The movements of mosquito : Random motion.

(d) The blades of an electric fan : Circular motion.

(e) Wheels of moving car : Linear motion and Rotational motion.

Answer 2

Answer: The answer is (c) ii and iii.

Hope this will help you friend!!!