Question Category: Motion

The phenomenon of motion was placed on a sound scientific

Galileo Galilei and Isaac Newton.

Are rest and motion absolute or relative terms?

They are relative terms.

Suppose a ball is thrown vertically upwards from a position

Displacement is zero. Distance is twice the distance between position P and Q.

Which speed is greater: 30 m/s or 30 km/h?

30 m/s.

What do you mean by 2 m/s2?

The velocity of the body increases by 2 m/s after every second.

Can uniform linear motion be accelerated?

No.

Define one radian.

It is the angle which is subtended at the centre by an arc having a...

What is the relation between linear velocity and angular velocity?

Linear velocity = Angular velocity × Radius of circular path.

Give an example when we infer the motion indirectly.

We infer the motion of air by observing the movement of dust particles or leaves...

What is essential to describe the position of an object?

We need to specify a reference point called the origin.