SCIENCE QUIZ (CLASS 8 VELOCITY)

The distance travelled by a body in unit time is called:

• (a) Velocity

• (b) Acceleration

• (c) Speed

• (d) Displacement

A physical quantity having magnitude only not direction is called :

• (a) Additional quantity

• (b) Vector quantity

• (c) Scalar quantity

• (d) Simple quantity

How much force is needed to produced 1m/s² acceleration on 1 kg mass of body?

• (a) 1N

• (b) 10N

• (c) 100N

• (d) 1000N

The distance covered by a body in fixed direction is called:

• (a) Velocity

• (b) Acceleration

• (c) Speed

• (d) Displacement

A physical quantity having magnitude and direction is called :

• (a) Additional quantity

• (b) Vector quantity

• (c) Scalar quantity

• (d) Simple quantity

The distance travelled by a body in unit time is called:

• (a) Velocity

• (b) Acceleration

• (c) Speed

• (d) Displacement

The rate of change of velocity in unit time is called:

• (a) Velocity

• (b) Acceleration

• (c) Speed

• (d) Displacement

An object that changes its position with respect to another body is called :

• (a) Rest

• (b) Motion.

• (c) fixed at point.

• (d) Time

The motion of a body in a circular path is known as:

• (a) Rotatory motion.

• (b) Circular motion.

• (c) Random motion

• (d) Periodic motion.

A motion in which different parts of the body moves around its axis is known as: :

• (a) Rotatory motion.

• (b) Circular motion.

• (c) Random motion.

• (d) Periodic motion.