Kinematics and Mechanics

Question 1

For a displacement time graph what does a positive gradient show?

Answer 1

Object is moving forwards.

Question 2

For a displacement time graph what does a negative gradient show?

Answer 2

Object is moving backwards.

Question 3

For a displacement time graph what does a positive gradient and a positive value mean?

Answer 3

In front of the fixed point, moving away from it.

Question 4

For a displacement time graph what does a positive gradient and a negative value mean?

Answer 4

Behind fixed point moving forwards towards it.

Question 5

For a displacement time graph what does a negative gradient and a positive value mean?

Answer 5

In front of fixed point moving backwards towards it.

Question 6

For a displacement time graph what does a negative gradient and a negative value mean?

Answer 6

Behind fixed point, moving backwards away from it.

Question 7

On a displacement time graph how do you find velocity?

Answer 7

Gradient.

Question 8

On a velocity time graph what is the gradient?

Answer 8

Acceeleration.

Question 9

On a velocity time graph what is the area under the graph?

Answer 9

Total displacement.

Question 10

For a velocity time graph what does a positive gradient and a positive value mean?

Answer 10

Moving forwards, speeding up.

Question 11

For a velocity time graph what does a positive gradient and a zero value mean?

Answer 11

Changing direction from backwards to forwards.

Question 12

For a velocity time graph what does a positive gradient and a negative value mean?

Answer 12

Moving backwards, slowing down.

Question 13

For a velocity time graph what does a zero gradient and a positive value mean?

Answer 13

Moving forwards at a steady speed.

Question 14

For a velocity time graph what does a zero gradient and a zero value mean?

Answer 14

Not moving.

Question 15

For a velocity time graph what does a zero gradient and a negative value mean?

Answer 15

Moving backwards at a steady speed.

Question 16

For a velocity time graph what does a negative gradient and a positive value mean?

Answer 16

Moving in forwards direction, slowing down.

Question 17

For a velocity time graph what does a negative gradient and a zero value mean?

Answer 17

Changing direction from forwards to backwards.

Question 18

For a velocity time graph what does a negative gradient and a negative value mean?

Answer 18

Moving in backwards direction, speeding up.