1133 Questions & Blanks Flashcards
If man had complete knowledge of the ______ and perfect understanding of the _______, he would find no _______ between them.
universe
Scriptures
conflict
The two broad categories of science
life sciences
physical sciences
What are descriptive sciences?
Descriptive sciences are subjects that do not lend themselves to experimentation.
Define physics using the rule method.
Physics is the study of matter and energy and of relationships between the two.
Define physics using the roster method.
Physics is the study of subjects such as sound, light, mechanics, heat, electricity, magnetism, and nuclear energy.
List the seven physical quantities measured by fundamental units
length mass time temperature electric current luminous intensity number of particles
Define length.
Length is the distance between two points
The standard of length in the metric system is the ______
meter
Define mass
Mass is the amount of matter in an object
The standard unit of mass is the ______
gram
What is one way to measure time?
One way to measure time is to count events that occur regularly
Fundamental principles of life are summarized in the ______________.
Ten Commandments
Physicists prefer to use ___________ rather than the ______________ to represent roots.
fractional exponents
square root radical
How did Jesus summarize the Ten Commandments?
He said, “You shall love the Lord your God with all your heart and with all your soul and with all your mind.”
What is the only accurate, unchanging standard for life?
The only standard that has proved accurate and unchanging is the Word of God
What is science?
Science is information and the process by which information is collected and organized to make it more easily understood.
Other units of measurement can by derived from the units for ______, ______, and ______.
length
mass
time
What makes a science an exact science?
It is an exact science if an experiment repeated under the same conditions leads to the same outcome
With all the __________________, man can measure anything in the universe.
fundamental units of measurement
In the Bible God has given units of law called ___________________
principles of life
A quantity should never be expressed to a greater number of _____________ than ___________________ indicate
significant figures
precision and accuracy
In standard scientific notation, only one ______ is to the _____ of the ________.
digit
left
decimal point
The _______ is the number of places the decimal point has been moved.
exponent
The three steps to multiply two numbers using scientific notation
Multiply the number parts
Add the exponents
Convert answer to standard form
Numbers with the same exponent have the same _______________
order of magnitude
__________________ are always carried throughout calculations
Units of measurement
The units on either side of an equal sign must ______ after the equation has been _______.
balance
simplified
Units of measurement cancel in the _______ and ________ in exactly the same way as common factors
numerator
denominator
If an exact measurement includes ____, they must be shown as significant figures in ____________.
zeros
scientific notation
Two variables that are not related are called __________ variables.
independent
What makes two variables dependent?
Two variables are dependent when a change in one causes a corresponding change in another.
Variables are ________ related if an increase in one variable causes a decrease in another variable.
inversely
The ____________ allows us to write an equation relating two dependent variables
proportionality constant
Vectors are parallel and in the same direction
The resultant is the sum of the components and has the same direction
Vectors are parallel but in opposite direction
The resultant is the difference of the components and has the direction of the greater component
Vectors are at right angles to each other
The magnitude of the resultant can be found algebraically by means of the Pythagorean theorem
Distance is a __________, but displacement is a __________.
scalar quantity
vector quantity
What is a resultant?
A resultant is the single vector left after the component vectors have been combined
If two component vectors form a right triangle, the resultant is the ___________.
hypotenuse of the triangle
Two unrelated variables are ____________.
independent variables
What is force?
Force is a pull or push that tends to produce motion or a change in motion of a material body.
Two ways to find a resultant of three or more vectors
Resolving them two at a time
Using the polygon rule
The equilibrant is equal in _________ but opposite in ____________ to the resultant
magnitude
direction
Why does is help to roll heavy objects up a ramp rather than lifting them?
A heavy load can be rolled up a ramp with less force than would be required to lift it.
The mass of a body can often by treated as if it is concentrated at a single point called the _________________.
center of mass
Three kinds of equilibrium
stable equilibrium; a suitcase flat on its side
unstable equilibrium; a coin balanced on its edge
neutral equilibrium; a bowling ball
Rotation is ___________
motion around a fixed axis
_____ and _____ are directly proportional but are not necessarily equal.
Force
Torque
The shortest distance between the fulcrum and the line of a force’s action is called the ______________
lever arm distance
A ____________ torque has a negative value, and a _______________ torque has the opposite value.
clockwise
counterclockwise
Define rotational equilibrium
Rotation equilibrium is the state in which the sum of the positive torques equals the sum of the negative torques
Define translational equilibrium
Translational equilibrium is the state in which the resultant of all component forces is zero
_____________ can summarize large amounts of information with numbers and symbols.
Equations
Remember to study math parts
.
