Quantities And Units

Question 1

What are the SI Units and give base symbol and measurement

Answer 1

Length - metre - m
Mass - kilogram - kg
Time - second - s
Electric current - ampere - A
Temperature - kelvin - K
Amount of substance - mole - mol

Question 2

Prefix Peta

Answer 2

P

10^15

Question 3

Prefix Tera

Answer 3

T

10^12

Question 4

Prefix Giga

Answer 4

G

10^9

Question 5

Prefix Mega

Answer 5

M

10^6

Question 6

Prefix Kilo

Answer 6

k

10^3

Question 7

Prefix deci

Answer 7

d

10^-1

Question 8

Prefix centi

Answer 8

c

10^-2

Question 9

Prefix milli

Answer 9

m

10^-3

Question 10

Prefix micro

Answer 10

weird u

10^-6

Question 11

Prefix nano

Answer 11

n

10^-9

Question 12

Prefix pico

Answer 12

p

10^-12

Question 13

Prefix femto

Answer 13

f

10^-15

Question 14

Derived units for force

Answer 14

kg m s^-2

Question 15

Derived units for pressure

Answer 15

N m^-2

Question 16

Derived units for energy or work done

Answer 16

N m

Question 17

Derived units for power

Answer 17

J s^-1

Question 18

Derived units for electrical potential difference

Answer 18

J C^-1

Question 19

Derived units for electrical resistance

Answer 19

V A^-1

Question 20

Derived units for electrical charge

Answer 20

A s

Question 21

Derived units for frequency

Answer 21

s^-1

Question 22

What are Scalar Quantities

Answer 22

Quantities that have a magnitude but no direction

Question 23

What are vector quantities

Answer 23

Quantities that have a magnitude and a direction

Question 24

How to resolve for the horizontal plane

Answer 24

Use the cosine function

Question 25

How to resolve for the vertical plane

Answer 25

Use the sine function