Question

Some situations of motions are grouped below Observe them.


(Group 1

- Rotation of a top.

- Draws a circle

using compass.)



(Group 2

- Rotation of Earth.

- Toy train running

along a circular path. )


(Group 3

- Lift going up.

- Motion of a bullet.)​

Answer 1

Answer:

(i) Linear motion : (a) Rolling of ball, (b) Moving of bicycle on road;

(ii) Spinning motion : (a) Rotating fan, (b) Wheel of sewing machine;

(iii) Oscillatory motion : (a) Pendulum of clock, (b) Motion of a child on a swing;

(iv) Periodic motion : (a) Pendulum of clock, (b) Motion of a swing, heartbeat;

(v) Vibrational motion : (a) String of a guitar, (b) Surface of drums;

(vi) Circular motion : (a) Rotation of fan, (b) Bicycle wheel;

(vii) Random motion : (a) Motion of football players, (b) Movement of mosquito.