WAAP spec points

Question 1

7 base quantities

Answer 1

Mass
Length
Time
Current
Temperature
Amount of sub.
Luminous intensity

Question 2

7 base SI units

Answer 2

Kilogram
Metre
Second
Ampere
Kelvin
Molar
Candela

Question 3

Derived quantity: force
Unit name -
Unit symbol -
Base units -

Answer 3

Newton
N
Kgms^-2

Question 4

Derived quantity: energy
Unit name -
Unit symbol -
Base units -

Answer 4

Joule
J
kgm^2s^-2

Question 5

Derived quantity: power
Unit name -
Unit symbol -
Base units -

Answer 5

Watt
W
kgm^2s^-3

Question 6

Derived quantity: frequency
Unit name -
Unit symbol -
Base units -

Answer 6

Hertz
Hz
s^-1

Question 7

Derived quantity: charge
Unit name -
Unit symbol -
Base units -

Answer 7

Coulomb
C
A s

Question 8

Derived quantity: voltage
Unit name -
Unit symbol -
Base units -

Answer 8

Volt
V
kgm^2s^-3A^-1

Question 9

Derived quantity: resistance
Unit name -
Unit symbol -
Base units -

Answer 9

Ohm
[omega symbol]
kgm^2s^-sA^-2

Question 10

Examples of limitations of physical measurements

Answer 10

• uncertainty
• repeatability
• resolution
• accuracy