Mathematics and Physics 1Q Flashcards
According to Galileo Galilei, in what language are the laws of nature written?
Mathematics
How to read this equation
∑ F = ma
A net force is the result of the
product of mass and acceleration
What’s the meaning of this symbol
△
Difference, change in
What’s the meaning of this symbol
Σ
Sum, total
What’s the meaning of this symbol
𝐠
Acceleration due to gravity
What’s the meaning of this symbol
𝐱
distance
Most observation in physics and descriptive observations are usually imprecise
quantitative
To be quantitative in Physics it requires
measurement
Unit that is officially accepted is called
standard unit
A group of standard unit is called
system of units
What is necessary for any meaningful measurement or calculation?
physical quantities
What are the two physical quantities
Fundamental Quantities
Derived Quantities
is a comparison with a standard
measurement
is the metric system used universally as a measurement standard
International System Of Units (SI)
are vital in scientific and technological research and development
SI units
In a scientific inquiry, what is important for getting the best results?
precise and accurate
What are prefixes used for in relation to numbers?
very big or very small numbers
What are the two physical quantities
scalar quantities
vector quantities
are quantities that are fully described by magnitude (or numerical value) only
scalar quantities
are quantities that are both described by magnitude and direction
vector quantities
What might we need to do in some problems with different units?
convert one system of unit
is a process that you use to change from one unit to another using conversion 1Qfactors.
dimension analysis