Understanding Velocity-Time Graphs

What does the gradient of a velocity-time graph represent?

• Speed

• Acceleration

• Distance

• Time

How can you determine constant acceleration on a velocity-time graph?

• By identifying a horizontal line

• By measuring the curve's steepness

• By finding the area under the curve

• By calculating the gradient of a straight line

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

• Constant speed

• No movement

• Increasing speed

• Decreasing speed

How is deceleration represented on a velocity-time graph?

• As a negative gradient

• As a horizontal line

• As a positive gradient

• As a vertical line

If the velocity changes from 18 m/s to 0 m/s over 20 seconds, what is the acceleration?

• -1.8 m/s²

• 0.9 m/s²

• 1.8 m/s²

• -0.9 m/s²

What does a curved line on a velocity-time graph indicate?

• Constant speed

• Changing acceleration

• No movement

• Constant acceleration

How do you find the exact acceleration at a point on a curved velocity-time graph?

• By drawing a tangent and finding its gradient

• By measuring the area under the curve

• By calculating the total distance traveled

• By identifying the highest point on the curve

What is the significance of the area under a velocity-time graph?

• It represents the speed of the object

• It indicates the acceleration of the object

• It shows the distance traveled by the object

• It measures the time taken by the object

Which shape is used to calculate the area under a velocity-time graph when it forms a trapezium?

• Trapezium

• Circle

• Triangle

• Rectangle

What is the formula for the area of a triangle used in velocity-time graphs?

• Base plus height

• Half base times height

• Base times height

• Base minus height