S4 - 1 scalars and vectors

Question 1

define a scalar

Answer 1

A quantity that only has magnitude

Question 1

define a vector

Answer 1

A quantity that has magnitude and direction

Question 2

State the difference between a scalar and a vector

Answer 2

A scalar quantity only has magnitude whereas a vector quantity has magnitude and direction

Question 3

State at least 4 scalar quantities

Answer 3

+ speed
+ distance
+ time
+ mass
- temperature
- volume

Question 4

state at least 4 vector quantities

Answer 4

+ velocity
+ displacement
+ acceleration
+ Momentum
- force (including weight)

Question 5

Adding two or more vectors will…

Answer 5

find the resultant of them

Question 6

State two methods to find resultant forces

Answer 6

+ scale drawings
+ Pythagoras and trigonometry

Question 7

when are horizontal and vertical components used?

Answer 7

horizontal and vertical components are used to resolve vectors

Question 8

PRACTICE ADDING VECTORS ONLINE

Answer 8

IMPORTANT

Question 9

PRACTICE RESOLVING VECTORS ONLINE

Answer 9

IMPORTANT

Question 10

PRACTICE TRIGONOMETRY

Answer 10

IMPORTANT