Foundation of Physics

Question 1

What are the 6 SI Base Units

Answer 1

Length - metres - m
Mass - kilogram - kg
Time - seconds - s
Electric Current - amperes - A
Temperature - Kelvin - K
Amount of a substance - Moles - mol

Question 2

List all Prefixes

Answer 2

peta - P - 10^15
tera - T - 10^12
giga - G - 10^9
mega - M - 10^6
Kilo - k - 10^3
deci - d - 10^-1
centi - c - 10^-2
mili - m - 10^-3
micro - µ - 10^-6
nano - n - 10^-9
pico - p - 10^-12
femto - f - 10^-15

Question 3

What is a Scalar Quantity

Answer 3

A quantity with a magnitude but no direction

Question 4

What is a vector quantity

Answer 4

A quantity with a magnitude and direction

Question 5

What is displacement vs distance

Answer 5

Displacement is the direct distance between 2 points while distance is the total length of a path traveled, irrespective of direction.