Random Motion

Q.

Which of the following is an example of random motion?

1. Motion of planets around the sun

2. Motion of a butterfly

3. Motion of minute hand of a clock

4. Motion of a toy train on a straight track

Q. What is random motion? Give one example.

Q. Identify the types of motion.
(a) Movement of the earth around the sun : .......... .
(b) Movement of a ceiling fan : ..........
(c) A meteor falling from the sky : .......... .
(d) A rocket launched from the ground : ..........
(e) A fish swimming in water : ..........
(f) The plucked string of a sitar : .......
[3 Marks]

Q.

The to and fro motion of a particle is known as:

1. Oscillatory motion

2. Uniform motion

3. Straight line motion

4. Non-uniform motion

Q.

Consider the following situation. Both A and B are at rest and the car is moving at $20km/hr$.

The car appears to be in motion when seen by:

1. Neither person A nor B

2. Person A

3. Person B

4. Both A and B