8.4 Working with vectors

Question 1

What is a vector?

Answer 1

» A quantity which has both magnitude and direction

Question 2

What are 4 examples of vector quantities?

Answer 2

» Displacement
» Force
» Acceleration
» Velocity

Question 3

What is a scalar?

Answer 3

» A quantity which has magnitude only

Question 4

What are 4 examples of scalar quantities?

Answer 4

» Speed
» Distance
» Time
» Mass

Question 5

What are scalar quantities always?

Answer 5

» Positive, as they have no direction

Question 6

What is Displacement?

Answer 6

» Distance in a particular direction

Question 7

What is Velocity?

Answer 7

» Rate of change of displacement

Question 8

What is Acceleration?

Answer 8

» The rate of change of velocity

Question 9

What is Force?

Answer 9

» Described by magnitude, the direction of gravity

Question 10

What is Distance?

Answer 10

» Measure of length

Question 11

What is Speed?

Answer 11

» Measure of quickly a body moves

Question 12

What is Time?

Answer 12

» Measure of ongoing events taking palce

Question 13

What is Mass?

Answer 13

» Measure of the quantity of matter contained in an object

Question 14

What is the magnitude of the velocity vector?

Answer 14

» Speed

Question 15

What is the magnitude of he displacement vector?

Answer 15

» Distance