what are the basic mathematics used in physics
Answers
Answer:
Basic math concepts for physics (Prerequisite)
Introduction to logarithms.
The constant e and the natural logarithm.
Slope.
Basics of trigonometry.
The unit circle definition of sine, cosine, and tangent.
The graphs of sine, cosine, and tangent.
Basic trigonometric identities.
Evaluating functions.
Answer:
Explanation:
Algebraic operations:
If a # is … to a variable,
then … the # to solve for the variable
Example
Added
Subtract
5 = x + 2
-2 -2
5-2 = x
Subtracted
Add
3 = x – 6
+6 +6
3-6 = x
Multiplied
Divide
2 = 4x
4
2/4 = x
Divided
Multiply
2 · 6 = x · 2
2
2 · 6 = x
Adding & Subtracting with significant figures:
Perform the calculation
Determine the least # of decimal places in problem
Round answer to that # of decimal places
Multiplying & Dividing with significant figures:
Perform the calculation
Determine the least # of sig figures in problem
Round answer to that # of sig figures
Scientific Notation—a short hand method of writing numbers using powers of 10.
Writing scientific notation:
The decimal point is always moved to after the 1st non-zero number.
Count the number of times the decimal point is moved and use this as the power of 10.
“Big” numbers (>1) have positive exponents. “Small” numbers (<1) have negative exponents.
Trigonometry review:
Trig functions are often used to find resultants and components. The most useful
relationships are:
Quadratic formula:
The quadratic formula is sometimes useful for squared functions:
Graphing:
Data is often graphed in physics. Theses relationships are often analyzed to fit mathematical models.