physics 1
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Physics
is the branch of science that studies matter, energy and the relationship between them.
If we understand the laws that govern the physical world
we will better understand the world we live in.
what is the Length symbol
m (meter)
what is the Mass symbol
kg (kilogram)
what is the Time symbol
S (second)
what is the temperature symbol
K (kelvin)
what is the current symbol
A (ampere)
what is the amount of substance symbol
mol (mole)
Derived Units
The unit of any quantity can be written as a product or quotient of one or more base units
Rectangle area
LW
Rectangle surface area
2(lw+lh+hw)
Rectangle volume
lwh
Cylinder has circular cross-sectional area
π r^2
Cylinder surface area
2πrh + 2πr^2
Cylinder volume
πr^2h
Sphere has circular cross-sectional area
πr^2
Sphere surface area
4πr^2
Sphere volume
4/3 πr^3
femto
10^-15
pico
10^-12
nano
10^-9
micro
10^-6
milli
10^-3
centi
10^-2