Physics Quiz on Motion and Speed

What does a horizontal line on a distance-time graph indicate?

• Object is stationary

• Object is accelerating

• Object is decelerating

• Object moves at a constant speed

What does a steeper slope on a distance-time graph indicate?

• Object is stationary

• Object moves at a constant speed

• Object is accelerating

• Object is decelerating

What does a curve with increasing gradient on a distance-time graph indicate?

• Object moves at a constant speed

• Object is stationary

• Object is accelerating

• Object is decelerating

What does a constant speed on a speed-time graph look like?

• Curve

• Downward slope

• Upward slope

• Horizontal line

What does an upward slope on a speed-time graph indicate?

• Object is stationary

• Object is decelerating

• Object moves at a constant speed

• Object is accelerating

How is distance traveled calculated for motion with constant speed or constant acceleration using a speed-time graph?

• Gradient of the graph

• Area under the graph

• Intersection points

• Maximum value

What is acceleration defined as?

• Change in speed per unit time

• Change in time per unit speed

• Change in distance per unit time

• Change in velocity per unit time

What causes an object to accelerate towards the ground when dropped?

• Friction

• Magnetic force

• Air resistance

• Gravity

When does an object reach terminal velocity during free fall?

• When acceleration is maximum

• When gravity is zero

• When air resistance is zero

• When air resistance equals the weight of the object

What does a curve with decreasing gradient on a distance-time graph indicate?

• Object moves at a constant speed

• Object is stationary

• Object is accelerating

• Object is decelerating