Physical Quantities and Units

Question 1

Fundamental Quantities

Answer 1

Quantities that are axiomatic in nature because during our day-to-day activities we would always have a relationship with them

Question 2

7 Fundamental Quantities and units

Answer 2

Mass: Kilogram (kg)
Length: Meter (m)
Time: Seconds (s)
Temperature: Kelvin (K)
Amount of Substance: Mole (Mol)
Current Ampère (A)
Luminous Intensity: Candela (cal)

Question 3

Derived units

Answer 3

Units made from fundamental quantities

Question 4

5 Basic Derived Units

Answer 4

Velocity
Acceleration
Force
Work
Power

Question 5

Positive Prefixes

Answer 5

Deca (da) 10¹
hecto (h)
Kilo (K)
Mega (M)
Giga (G)
Tera (T)
Peta (P)

Question 6

Negative Prefixes

Answer 6

Deci (d)
Centi (c)
Milli (m)
Micro (
Nano (n)
Pico (P)
Femto (f)
Auto (a)

Question 7

What does it mean for an equation to be homogenous

Answer 7

When an equation haa quantities of the same dimension on both sides

Question 8

Requirements for Homogeneity of an Equation

Answer 8

i) Dimensionally Constant
ii) R.H.S must equate to L.H.S

Question 9

Transformation of Solution