Velocity-time graphs

Question 1

What is velocity?

Answer 1

speed in a defined direction

Question 2

What does a positive velocity show?

Answer 2

the object is moving either upwards or to the right

Question 3

What does a negative velocity show?

Answer 3

the object is moving either downwards or to the left

Question 4

What is acceleration?

Answer 4

speeding up or slowing down

Question 5

Speeding up =

Answer 5

positive acceleration = force in same direction as motion

Question 6

Slowing down =

Answer 6

negative acceleration = force in opposite direction as motion

Question 7

What is on the x-axis of a velocity-time graph?

Answer 7

time

Question 8

What is on the y-axis of a velocity-time graph?

Answer 8

velocity

Question 9

flat section shows

Answer 9

constant speed

Question 10

straight uphill section shows

Answer 10

constant positive acceleration

Question 11

straight downhill section shows

Answer 11

constant negative acceleration

Question 12

curves show

Answer 12

decreasing/increasing acceleration

Question 13

area under the graph line shows

Answer 13

distance travelled