Acceleration And Velocity-Time Graphs

Question 1

What changes can acceleration mean?

Answer 1

A change in speed or change in direction (or both)

Question 2

What is the equation linking acceleration, change in velocity and time take?

Answer 2

Acceleration = change in velocity/time taken

Question 3

What is the unit of acceleration?

Answer 3

m/s(^2)

Question 4

On a velocity time graph, what does the gradient represent?

Answer 4

Acceleration

Question 5

What do flat sections of velocity time graphs represent?

Answer 5

A steady speed

Question 6

What does a steeper gradient represent on a velocity time graph?

Answer 6

A greater acceleration/deceleration

Question 7

What do uphill sections represent on a velocity time graph?

Answer 7

Acceleration

Question 8

What do downhill sections represent on a velocity time graph?

Answer 8

Deceleration

Question 9

What is the area under the graph represent on a velocity time graph?

Answer 9

The distance travelled

Question 10

What does a curve represent on a velocity time graph?

Answer 10

A changing acceleration

Question 11

What is acceleration?

Answer 11

The rate at which the velocity is changing