Distance, Speed, and Acceleration

Question 1

How to describe a body that is not moving

Answer 1

Stationary

Question 2

How to describe a body moving at one speed

Answer 2

Constant speed

Question 3

How to describe a body increasing speed

Answer 3

Acceleration

Question 4

How to describe a body decreasing in speed

Answer 4

Deceleration

Question 5

How is a stationary body displayed on D-T and V-T graphs

Answer 5

D-T = straight horizontal line, V-T = Line at x=0

Question 6

How to display acceleration on DT and VT graphs

Answer 6

Going up

Question 7

Speed(m/s)

Answer 7

Distance(m) / time(s)

Question 8

Acceleration(m/s^2) =

Answer 8

DeltaV(m/s) / Time(s)

Question 9

How can an object’s acceleration be found using a graph?

Answer 9

Finding the gradient

Question 10

How to find a gradient on a graph

Answer 10

Rise(au) / Run (au)

Question 11

Mean speed(m/s) =

Answer 11

Total distance(m) / total time(s)

Question 12

How to find the distance travelled from a graph

Answer 12

Find the area under the graph

Question 13

Total stopping distance(m) =

Answer 13

Thinking distance(m) + Braking distance(m)

Question 15

Factors that affect thinking distance

Answer 15

Speed(m/s), alcohol/drugs, tiredness, mobile phones

Question 16

Factors that affect braking distance

Answer 16

Speed(m/s), road conditions, mass(g) of car, condition of tyres, condition of brakes