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Radiologist Technologist > PHYSICS 101-1 Unit 1 Lesson 2 & 3 > Flashcards

PHYSICS 101-1 Unit 1 Lesson 2 & 3 Flashcards

1
Q

Radiologic Physics

A

Deals with nature, origin, and behavior of x-rays concerning principles with matter in motion

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2
Q

Science

A

Using knowledge in a organized and classified way

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3
Q

Natural Science

A

Study of universe and it’s contents

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4
Q

Acceleration

A

Rate of change of velocity over time

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5
Q

Inertia

A

Says there is a resist in change in motion
States a resting body with stay at rest
States a moving body will continue to continue to move at a constant speed in straight line

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6
Q

Force and what is it’s unit of measurement?

A

The push and pull of an object measured in Newtons (N) from the SYSTEM INTERNATIONAL measuring system

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7
Q

Mass

A

The quantity of matter in a body

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8
Q

Mass of a body is a measure of its _____________

A

Inertia

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9
Q

The greater the mass, the greater the _____________ needed for motion.

A

External force

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10
Q

What are the 2 subdivisions of natural science?

A

Physical science and biological sciences

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11
Q

Physical Science

A

The study of nonliving matter

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12
Q

What is a subdivision of physical science?

A

Physics

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13
Q

Physics

A

Studies matter and energy and it’s interrelationships

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14
Q

Biological sciences

A

The study of living matter

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15
Q

The scientific method

A

Strategically collecting and comparing facts to draw a conclusion

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16
Q

Who developed the laws of motion and when?

A

Newton in 1686

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17
Q

What are the laws of motion?

A
  1. law of inertia
  2. Force
  3. Action/reaction
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18
Q

Law of inertia

A

A body will stay at rest or in motion will stay moving at a constant velocity in straight line unless prevented by an external force.
(Newton’s 1st law)

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19
Q

Force

A

The force acting on a body is proportional to its mass times acceleration.

F=ma

(Newton’s 2nd law)

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20
Q

What is the word “action” synonymous with in Newton’s 3rd law (action/reaction)?

A

Force

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21
Q

Action/reaction

A

For every action there is an equal and opposite reaction.

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22
Q

What is an example of the action/reaction law?

A

When a pushing a heavy block the block will push back with the same force applied.

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23
Q

Decimal System

A

a system of numbers based on multiples of 10

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24
Q

Powers of Ten

A

the exponential form of the decimal system. This is used to abbreviate large numbers.

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25
Q

Decimal Point

A

a dot used to separate the ones digit and the digit to the right

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26
Q

What are the 2 commonly used measuring systems?

A

English and Metric

27
Q

Measuring

A

a figure, extent, or amount gathered from measuring a dimension

28
Q

English System is also known as the ___________?

A

British Engineering System

29
Q

What are the units the English system is based on?

A

foot, pound, and second

30
Q

What are the 2 subcategories of the metric system?

A 
CGS System (centimeter, gram, and second)
MKS System (meter, kilogram, and second)
31
Q

The CGS system is used for?

A

small-scale measurements

32
Q

The MKS system is used for?

A

large-scale measurements

33
Q

System International (SI) units

A

This is the most modern metric system commonly used in science and medicine

34
Q

What are the 7 base SI units ?

A

SMMACKK

Second 
Meter 
Mole
Ampere
Candela 
Kelvin 
Kilogram
35
Q

What are 3 other commonly used derived SI units ?

A

Newton (N) for force
Joule (J) for energy
Watt (W) for power

36
Q

What are the 3 fundamental units of measurement?

A

Length , mass , and time

37
Q

Temperature

A

Average energy of motion of molecules of matter

38
Q

Celsius
Freezing point of water ?
Boiling point of water ?

A

0 degrees Celsius

100 degrees Celsius

39
Q

Fahrenheit
Freezing point for water ?
Boiling point for water ?

A

32 degrees Fahrenheit

212 degrees Fahrenheit

40
Q

Formula for temperature conversion

A

C= 5/9 (F-32)

41
Q

Define length and include the unit used for the English and metric systems

A

distance or extent of space defined by in inch (English system) or a meter (Metric System)

42
Q

What are the units of measurement used for Mass in both the English and metric systems?

A

Pound (English)

Kilogram (Metric)

43
Q

Define time and include the unit used for the English and metric systems

A

the duration of an event measured by seconds in both the English and metric systems

44
Q

Density

A

mass per unit volume of a substance

“kg/m^3”

45
Q

Velocity

A

speed in a given direction

“m/s”

46
Q

Volume

A

amount of space something occupies
Solids: =LWH in cubic meters / m^3
Liquids: = measured in liters

47
Q

What is the symbol and corresponding scientific notation for the following prefixes?

tetra-

A

T 10^12

48
Q

What is the symbol and corresponding scientific notation for the following prefixes?

giga-

A

G 10^9

49
Q

What is the symbol and corresponding scientific notation for the following prefixes?

mega-

A

M 10^6

50
Q

What is the symbol and corresponding scientific notation for the following prefixes?

kilo-

A

k 10^3

51
Q

What is the symbol and corresponding scientific notation for the following prefixes?

deci-

A

d 10^-1

52
Q

What is the symbol and corresponding scientific notation for the following prefixes?

centi-

A

c 10^-2

53
Q

What is the symbol and corresponding scientific notation for the following prefixes?

milli-

A

m 10^-3

54
Q

What is the symbol and corresponding scientific notation for the following prefixes?

micro-

A

funky u 10^-6

55
Q

What is the symbol and corresponding scientific notation for the following prefixes?

nano-

A

n 10^-9

56
Q

What is the symbol and corresponding scientific notation for the following prefixes?

pico-

A

p 10^-12

57
Q

Meter (m)

A

unit of length

58
Q

Kilogram (kg)

A

unit of weight

59
Q

Second (s)

A

abbreviated s , unit of time

60
Q

ampere (amp or A)

A

unit of electric current or amount electric charge per second

61
Q

Kelvin (K)

A

hypothetical temperature for no heat energy

an extension of the degree celcius scale to absolute zero

62
Q

Mole (mol)

A

The mass of a substance that has the same # of fundamental units (elemental entities like atoms, molecules, ions, and electrons) as there are atoms in 12g of 12^C. The weight in grams of 6.022X10^23 atoms of a substance

63
Q

Candela (cd)

A

the power of light or luminescence in a direction

Radiologist Technologist (8 decks)

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