Vectors And Scalars

Question 1

What are vector quantities

Answer 1

A vector quantities are physical quantities that have size and direction

Question 2

What are scalar quantities

Answer 2

Scalar quantities are quantities that have size only one

Question 3

What are example of vector quantities

Answer 3

Displacement, velocity, acceleration, power, weight

Question 4

What are some examples of scalar quantities

Answer 4

Time, mass, distance, speed, charge

Question 5

What is the quantity symbol for displacement

Answer 5

x

Question 6

What is the quantity symbol for velocity

Answer 6

v

Question 7

What is the quantity symbol for acceleration

Answer 7

a

Question 8

What is the quantity symbol for power

Answer 8

F

Question 9

What is the quantity symbol for weight

Answer 9

N

Question 10

What is the quantity symbol for time

Answer 10

t

Question 11

What is the quantity symbol for mass

Answer 11

m

Question 12

What is the quantity symbol for distance

Answer 12

D

Question 13

What is the quantity symbol for speed

Answer 13

v

Question 14

What is the quantity symbol for change

Answer 14

Q

Question 15

What is the SI UNIT for displacement

Answer 15

Meter

Question 16

What is the SI UNIT for velocity

Answer 16

Meter per second

Question 17

What is the SI UNIT for acceleration

Answer 17

Meter per second squared

Question 18

What is the SI UNIT for power

Answer 18

Newton

Question 19

What is the SI UNIT for weight

Answer 19

Newton

Question 20

What is the SI UNIT for time

Answer 20

Seconds

Question 21

What is the SI UNIT for mass

Answer 21

Kilogram

Question 22

What is the SI UNIT for distance distance

Answer 22

Meter

Question 23

What is the SI UNIT for speed

Answer 23

Meter per second

Question 24

What is the SI UNIT for charge

Answer 24

Coulomb

Question 25

What does a negative vector mean

Answer 25

The same size as the given vector except in the opposite direction eg -F is the same as F just in the opposite direction

Question 26

What does a negative scalar mean

Answer 26

A smaller quantity eg -12 degrees is smaller than 12 degrees

Question 27

What is vector quantity represented by

Answer 27

A vector quantity is represented by a straight line and arrow head

Question 28

What does the length of a line segment represented in vector quantities

Answer 28

The size of the vector quantity

Question 29

What does the arrow head represent in a vector quantity

Answer 29

The direction of the quantity

Question 30

What is the starting point of a vector quantity called

Answer 30

The tail

Question 31

What is the end point of a vector quantity called (the arrow)

Answer 31

The head

Question 32

What is a scale vector diagram

Answer 32

When the vectors are drawn accurately according to a suitable scale.

Question 33

How are vectors indicated

Answer 33

By a symbol of an arrow that pints right above the symbol

Question 34

What is the resultant

Answer 34

The single vector that has the same effect as two or more vectors together

Question 35

What is an equilibrant

Answer 35

A vector that has the same magnitude as a resultant but in opposite directions

Question 36

What are physical quantities

Answer 36

Quantities that are measurable