International System of Units Flashcards

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1
Q

What is the International unit name, symbol and dimension for Time?

A

International unit name: Second
Unit symbol: s
Dimension: T

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2
Q

What is the International unit name, symbol & dimension for Length?

A

International Unit Name: Metre
Symbol: m
Dimension: L

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3
Q

1 metre is equal to how many feet?

A

3.28 feet

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4
Q

In Aviation, what measurement of distance is used for navigation & why?

A

The Nautical Mile
&
It is used due to its correlation to the surface of the Earth

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5
Q

What is the International Unit Name, symbol & dimension for Mass?

A

International Unit Name: Kilogram
Symbol: kg
Dimension: M

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6
Q

Is the kilogram an imperial measurement or metric value?

A

Metric Value

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7
Q

1 Kilogram is equal to how many pounds?

A

2.2 pounds

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8
Q

In imperial measurements, what are kilograms measured in?

A

Pounds

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9
Q

What is the International Unit Name, & symbol for Temperature?

A

International Unit Name: Kelvin
Symbol: K

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10
Q

The Kelvin Scale is an?

A

Absolute Scale

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11
Q

What is the null point for the Kelvin Scale?

A

Absolute Zero

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12
Q

Does 1 Kelvin and 1 degree Celsius have the same magnitude?

A

Yes!

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13
Q

Does 1 Kelvin and 1 degree Celsius have the same null point?

A

No!

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14
Q

[Water at Sea level - Kelvin]
At what temperature does water freeze & boil?

A

Freeze: 273
Boils: 373

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15
Q

[Water at sea level - Celsius]
At what temperature does water freeze & boil?

A

Freeze: 0
Boil: 100

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16
Q

[Water at sea level - Fahrenheit]
At what temperature does water freeze and boil?

A

Freeze: 32
Boil: 212

17
Q

What is the International Unit Name & s symbol for Force?

A

International Unit Name: Newtons
Symbol: F

18
Q

What is Force?

A

Force is any interaction, when unopposed, will change the motion of an object

19
Q

What can Force do?

A

Force can cause and object with mass to change its velocity

20
Q

What does Force have?

A
  • Magnitude
  • Direction
21
Q

If Force has both magnitude and direction what does it make it?

A

Vector Quantity

22
Q

What is the International Unit Name & Symbol for Pressure?

A

International Unit Name: Pascal
Symbol: P

23
Q

What is Pressure?

A

Pressure is a force applied perpendicular to the surface of an object per unit over which that force is distributed.

24
Q

What can a pascal be defined as?

A

1 Newton per square inch.

25
Q

What else can pressure be used to measure?

A
  • Hectopascals
  • Millibars
  • Inches of Mercury
26
Q

When measuring Air Pressure, what can they be referenced too?

A
  • Atmospheric Pressure (differential pressure)
  • Vacuum (absolute value)