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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
Decimal Point
a dot used to separate the ones digit and the digit to the right
26
What are the 2 commonly used measuring systems?
English and Metric
27
Measuring
a figure, extent, or amount gathered from measuring a dimension
28
English System is also known as the ___________?
British Engineering System
29
What are the units the English system is based on?
foot, pound, and second
30
What are the 2 subcategories of the metric system?
``` CGS System (centimeter, gram, and second) MKS System (meter, kilogram, and second) ```
31
The CGS system is used for?
small-scale measurements
32
The MKS system is used for?
large-scale measurements
33
System International (SI) units
This is the most modern metric system commonly used in science and medicine
34
What are the 7 base SI units ?
SMMACKK ``` Second Meter Mole Ampere Candela Kelvin Kilogram ```
35
What are 3 other commonly used derived SI units ?
Newton (N) for force Joule (J) for energy Watt (W) for power
36
What are the 3 fundamental units of measurement?
Length , mass , and time
37
Temperature
Average energy of motion of molecules of matter
38
Celsius Freezing point of water ? Boiling point of water ?
0 degrees Celsius | 100 degrees Celsius
39
Fahrenheit Freezing point for water ? Boiling point for water ?
32 degrees Fahrenheit | 212 degrees Fahrenheit
40
Formula for temperature conversion
C= 5/9 (F-32)
41
Define length and include the unit used for the English and metric systems
distance or extent of space defined by in inch (English system) or a meter (Metric System)
42
What are the units of measurement used for Mass in both the English and metric systems?
Pound (English) | Kilogram (Metric)
43
Define time and include the unit used for the English and metric systems
the duration of an event measured by seconds in both the English and metric systems
44
Density
mass per unit volume of a substance | "kg/m^3"
45
Velocity
speed in a given direction | "m/s"
46
Volume
amount of space something occupies Solids: =LWH in cubic meters / m^3 Liquids: = measured in liters
47
What is the symbol and corresponding scientific notation for the following prefixes? tetra-
T 10^12
48
What is the symbol and corresponding scientific notation for the following prefixes? giga-
G 10^9
49
What is the symbol and corresponding scientific notation for the following prefixes? mega-
M 10^6
50
What is the symbol and corresponding scientific notation for the following prefixes? kilo-
k 10^3
51
What is the symbol and corresponding scientific notation for the following prefixes? deci-
d 10^-1
52
What is the symbol and corresponding scientific notation for the following prefixes? centi-
c 10^-2
53
What is the symbol and corresponding scientific notation for the following prefixes? milli-
m 10^-3
54
What is the symbol and corresponding scientific notation for the following prefixes? micro-
funky u 10^-6
55
What is the symbol and corresponding scientific notation for the following prefixes? nano-
n 10^-9
56
What is the symbol and corresponding scientific notation for the following prefixes? pico-
p 10^-12
57
Meter (m)
unit of length
58
Kilogram (kg)
unit of weight
59
Second (s)
abbreviated s , unit of time
60
ampere (amp or A)
unit of electric current or amount electric charge per second
61
Kelvin (K)
hypothetical temperature for no heat energy | an extension of the degree celcius scale to absolute zero
62
Mole (mol)
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
Candela (cd)
the power of light or luminescence in a direction

Radiologist Technologist (8 decks)

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