Which among the following is an oscillatory motion?

(a)

Rotation of the earth about its axis

(b)

Revolution of the moon about the earth

(c)

To and fro movement of a vibrating string

(d)

All of these.

The correct relation among the following is 

(a)

Speed = distance × time

(b)

Speed = distance / time

(c)

Speed = time / distance

(d)

Speed = 1 / (distance × time)

People walking in a crowded street is example of_________motion

(a)

linear

(b)

circular

(c)

rotatory

(d)

zigzag

Usain Bolt crossed 100 metre in____________seconds and made a world record

(a)

9.58

(b)

9.83

(c)

9.85

(d)

9.38

A___________ is the fastest land animal

(a)

Horse

(b)

Lion

(c)

Cheetah

(d)

Tiger

If you are sitting in a moving car, will you be at rest or motion with respect your friend sitting next to you?

Rotation of the earth is a periodic motion. Justify.

Differentiate between rotational and curvilinear motion.

Kicking a ball : Contact force :: Falling of leaf : _____?

Distance : metre :: Speed : _______?

Circulatory motion : A spinning top :: Oscillatory motion : ______?

A vehicle covers a distance of 400km in 5 hour. Calculate its speed.

What is motion? Classify different types of motion with examples.

Fill with examples: