MCQs on Motion - Class 8 Science

Which of the following is an example of uniform motion?

• A car moving through city traffic

• A train moving with constant speed on a straight track

• A child playing in a park

• A person climbing stairs

The SI unit of speed is:

• m

• m/s

• km/h

• m/s²

A car travels 60 km in 2 hours. What is its speed?

• 30 km/h

• 120 km/h

• 20 km/h

• 60 km/h

Which instrument is used to measure time?

• Thermometer

• Stopwatch

• Speedometer

• Ammeter

What type of motion is exhibited by the hands of a clock?

• Linear motion

• Rectilinear motion

• Circular motion

• Oscillatory motion

Which of the following represents non-uniform motion?

• A train moving at a constant speed

• A ball rolling down a slope

• Earth rotating on its axis

• Moon revolving around Earth

Speed = ?

• Distance × Time

• Distance / Time

• Time / Distance

• Acceleration × Time

Which one is a scalar quantity?

• Displacement

• Velocity

• Speed

• Force