Understanding Motion and Its Effects

Which of the following is an example of circular motion?

• A car driving in a straight line

• The hands of a clock moving around the face

• A person walking up stairs

• A ball dropped from a height

What is the SI unit for measuring speed?

• Miles per hour (mph)

• Feet per second (ft/s)

• Metres per second (m/s)

• Kilometres per hour (km/h)

Which type of motion describes a child swinging back and forth on a swing?

• Linear motion

• Oscillatory motion

• Rotational motion

• Random motion

If a cyclist travels 200 metres in 40 seconds, what is their average speed?

• 2 m/s

• 4 m/s

• 5 m/s

• 8 m/s

Which of the following best describes velocity?

• The distance travelled per unit time

• The speed in a given direction

• The rate of change of speed

• The total distance covered

A car slows down as it approaches a red traffic light. This is an example of:

• Acceleration

• Deceleration

• Constant speed

• Oscillatory motion

Which equation correctly represents acceleration?

On a distance-time graph, what does a horizontal line represent?

• Constant speed

• Increasing speed

• Stationary object

• Decreasing speed

Which of the following statements about friction is true?

• Friction always speeds up motion

• Friction only acts on liquids

• Friction opposes the motion of objects

• Friction does not affect moving objects

If a runner increases their speed from 3 m/s to 7 m/s in 2 seconds, what is their acceleration?

• 1 m/s²

• 2 m/s²

• 4 m/s²

• 5 m/s²