Motion

Which of the following is the SI unit of velocity?

• m/s²

• m/s

• km/h

• m²/s

The slope of a distance-time graph represents:

• Acceleration

• Velocity

• Displacement

• Speed

If an object moves in a circular path at a constant speed, its motion is:

• Uniform

• Non-uniform

• Accelerated

• Uniformly accelerated

Which of the following is a scalar quantity?

• Velocity

• Displacement

• Speed

• Acceleration

A car travels 90 km in 2 hours. What is its average speed?

• 45 km/h

• 90 km/h

• 180 km/h

• 30 km/h

The rate of change of velocity is called:

• Speed

• Displacement

• Acceleration

• Distance

Which of the following describes uniform motion?

• A car slowing down

• A train moving at a constant speed

• A ball falling freely under gravity

• A car turning at a constant speed

The area under a velocity-time graph represents:

• Displacement

• Speed

• Acceleration

• Distance

A body is moving with uniform velocity. What is its acceleration?

• Positive

• Negative

• Zero

• Changing

Which of the following represents non-uniform motion?

• A car moving with constant speed

• A pendulum oscillating

• A runner completing a lap at constant speed

• A satellite orbiting Earth at constant speed