Unit 8

Question 1

What is a scalar quantity?

Answer 1

Quantity measuring magnitude:

Speed, height, density, distance

Question 2

What is a vector quantity?

Answer 2

Quantity measuring magnitude and direction:

Velocity, acceleration, displacement

Question 3

What is showed in a position-time graph?

Answer 3

Shows the relationship between the position (shown on the y-axis) of an object and its time (shown on the x-axis) to show velocity

Question 4

What is the equation to solve for acceleration?

Answer 4

Acceleration = change in velocity / change in time

Question 5

What is the equation to solve for momentum?

Answer 5

P = mv

Momentum = mass x velocity

Question 6

What is a positive correlation? What is a negative correlation?

Answer 6

A positive correlation showcases both quantities increasing and decreasing together

A negative correlation showcased one quantity increasing while the other decreases

Question 7

What is drag?

Answer 7

Drag is a force exerted by a fluid in opposition to the motion of an object.

Decreasing drag increases net force