Fundamental/Derived Quantities Flashcards

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1
Q

Measurements

What is a Quantity?

A

A quantity is anything that can be measured

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2
Q

Fundamental Quantities

What are the 5 fundamental quantities?

Specify symbol

A

Mass (m)
Length (l)
Time (t)
Temp (T)
Current (I)

Note: Current is the only expection & Temp is capital

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3
Q

Fundamental Quantities

What are the SI units for each fundamental quantity

Specify SI unit symbol

A

Mass - Kilograms (kg)
Length - Meters (m)
Time - Seconds (s)
Temp - Kelvin (K)
Current - Ampere (A)

mass is the only one whose SI unit is not a base (NOT GRAMS)

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4
Q

Measurements

What are phyical quantities a product of?

A

Numerical magnitude & unit

ie. 1.4 & meters

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5
Q

Derived Quantities

What are the 7 derived quantities?

Specify symbols

A

Area (A)
Volume (V)
Force (F)
Speed/Velocity (v)
Density (p)
Pressure (P)
Acceleration (a)

Density has a special character called a rho i just idk how to add it-

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6
Q

Derived Quanities

Defining Equations

A

A=1x1
V=1x1x1
F=ma (mxa)
v=d/t
p=m/v
P=F/A
a=v/t

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