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Physics > 1133 Questions & Blanks > Flashcards

1133 Questions & Blanks Flashcards

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1
Q

If man had complete knowledge of the ______ and perfect understanding of the _______, he would find no _______ between them.

A

universe
Scriptures
conflict

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2
Q

The two broad categories of science

A

life sciences

physical sciences

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3
Q

What are descriptive sciences?

A

Descriptive sciences are subjects that do not lend themselves to experimentation.

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4
Q

Define physics using the rule method.

A

Physics is the study of matter and energy and of relationships between the two.

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5
Q

Define physics using the roster method.

A

Physics is the study of subjects such as sound, light, mechanics, heat, electricity, magnetism, and nuclear energy.

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6
Q

List the seven physical quantities measured by fundamental units

A 
length
mass
time
temperature
electric current
luminous intensity
number of particles
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7
Q

Define length.

A

Length is the distance between two points

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8
Q

The standard of length in the metric system is the ______

A

meter

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9
Q

Define mass

A

Mass is the amount of matter in an object

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10
Q

The standard unit of mass is the ______

A

gram

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11
Q

What is one way to measure time?

A

One way to measure time is to count events that occur regularly

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12
Q

Fundamental principles of life are summarized in the ______________.

A

Ten Commandments

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13
Q

Physicists prefer to use ___________ rather than the ______________ to represent roots.

A

fractional exponents

square root radical

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14
Q

How did Jesus summarize the Ten Commandments?

A

He said, “You shall love the Lord your God with all your heart and with all your soul and with all your mind.”

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15
Q

What is the only accurate, unchanging standard for life?

A

The only standard that has proved accurate and unchanging is the Word of God

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16
Q

What is science?

A

Science is information and the process by which information is collected and organized to make it more easily understood.

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17
Q

Other units of measurement can by derived from the units for ______, ______, and ______.

A

length
mass
time

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18
Q

What makes a science an exact science?

A

It is an exact science if an experiment repeated under the same conditions leads to the same outcome

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19
Q

With all the __________________, man can measure anything in the universe.

A

fundamental units of measurement

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20
Q

In the Bible God has given units of law called ___________________

A

principles of life

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21
Q

A quantity should never be expressed to a greater number of _____________ than ___________________ indicate

A

significant figures

precision and accuracy

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22
Q

In standard scientific notation, only one ______ is to the _____ of the ________.

A

digit
left
decimal point

23
Q

The _______ is the number of places the decimal point has been moved.

A

exponent

24
Q

The three steps to multiply two numbers using scientific notation

A

Multiply the number parts
Add the exponents
Convert answer to standard form

25
Q

Numbers with the same exponent have the same _______________

A

order of magnitude

26
Q

__________________ are always carried throughout calculations

A

Units of measurement

27
Q

The units on either side of an equal sign must ______ after the equation has been _______.

A

balance

simplified

28
Q

Units of measurement cancel in the _______ and ________ in exactly the same way as common factors

A

numerator

denominator

29
Q

If an exact measurement includes ____, they must be shown as significant figures in ____________.

A

zeros

scientific notation

30
Q

Two variables that are not related are called __________ variables.

A

independent

31
Q

What makes two variables dependent?

A

Two variables are dependent when a change in one causes a corresponding change in another.

32
Q

Variables are ________ related if an increase in one variable causes a decrease in another variable.

A

inversely

33
Q

The ____________ allows us to write an equation relating two dependent variables

A

proportionality constant

34
Q

Vectors are parallel and in the same direction

A

The resultant is the sum of the components and has the same direction

35
Q

Vectors are parallel but in opposite direction

A

The resultant is the difference of the components and has the direction of the greater component

36
Q

Vectors are at right angles to each other

A

The magnitude of the resultant can be found algebraically by means of the Pythagorean theorem

37
Q

Distance is a __________, but displacement is a __________.

A

scalar quantity

vector quantity

38
Q

What is a resultant?

A

A resultant is the single vector left after the component vectors have been combined

39
Q

If two component vectors form a right triangle, the resultant is the ___________.

A

hypotenuse of the triangle

40
Q

Two unrelated variables are ____________.

A

independent variables

41
Q

What is force?

A

Force is a pull or push that tends to produce motion or a change in motion of a material body.

42
Q

Two ways to find a resultant of three or more vectors

A

Resolving them two at a time

Using the polygon rule

43
Q

The equilibrant is equal in _________ but opposite in ____________ to the resultant

A

magnitude

direction

44
Q

Why does is help to roll heavy objects up a ramp rather than lifting them?

A

A heavy load can be rolled up a ramp with less force than would be required to lift it.

45
Q

The mass of a body can often by treated as if it is concentrated at a single point called the _________________.

A

center of mass

46
Q

Three kinds of equilibrium

A

stable equilibrium; a suitcase flat on its side
unstable equilibrium; a coin balanced on its edge
neutral equilibrium; a bowling ball

47
Q

Rotation is ___________

A

motion around a fixed axis

48
Q

_____ and _____ are directly proportional but are not necessarily equal.

A

Force

Torque

49
Q

The shortest distance between the fulcrum and the line of a force’s action is called the ______________

A

lever arm distance

50
Q

A ____________ torque has a negative value, and a _______________ torque has the opposite value.

A

clockwise

counterclockwise

51
Q

Define rotational equilibrium

A

Rotation equilibrium is the state in which the sum of the positive torques equals the sum of the negative torques

52
Q

Define translational equilibrium

A

Translational equilibrium is the state in which the resultant of all component forces is zero

53
Q

_____________ can summarize large amounts of information with numbers and symbols.

A

Equations

54
Q

Remember to study math parts

A

.

Physics (22 decks)

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