Physics Demystified

Front 1

What is 1.000x 10^0

Back 1

1.000

Hint 1

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Front 2

When do you use power of then?

Back 2

Integer exponents lager than 3 or smaller than -3

Hint 2

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Front 3

How do you add/subtract numbers in 10 notation?

Back 3

You write them out, sorry.

Hint 3

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Front 4

How do you multiply numbers in 10 notation?

Back 4

Multiply the coefficients then add the powers of 10

Hint 4

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EX: 3.045E5 x 6.853E6
(3.045 x 6.853) (10^5 x 10^6)
20.867385 x 10^(5+6)
20.867385 x 10^11
2.0867385 x 10^12

Front 5

How do you divide numbers in 10 notation?

Back 5

Divide the coefficients, then multiply that by (the subtraction of the second power of 10 by the first one)

Hint 5

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3.045E5 / 6.853E-7
(3.045/6.853)x(10^5/10^-7)
.444331 x 10^(5-(-7))
.444331 x 10^12
4.44331 x 10^11

Front 6

What is truncation?

Back 6

Deleting all the numerals past a certain point

Hint 6

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Front 7

What is absolute error?

Back 7

D_a= x_m - x_a

Hint 7

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Absolute error = measured value- actual value

Front 8

What is proportional error?

Back 8

D_p = (x_m - x_a)/ x_a

Hint 8

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Proportional error = absolute error / actual value

Front 9

WHat is the percentage error?

Back 9

D_% = 100(x_m - x_a)/x_a

Hint 9

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Percentage error = 100 times the absolute error divided by the actual value

Front 10

When do error values turn out positive/ negative?

Back 10

Positive if measured value is bigger than actual value
Negative if actual value is bigger than measured value

Front 11

What is the significant figure rule?

Back 11

Never let the number of significant figures in our answer exceed the numbers in the least exact factor.

Hint 11

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Front 12

What do extra 0s mean?
ex
2.00000

Back 12

How close to the figure you should imagine the real world product

1.999995<=xy<=2.000005

Hint 12

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Front 13

What is the base unit of displacement?

Back 13

meter (m)

Hint 13

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Front 14

What is the base unit of mass?

Back 14

kilogram (kg)

Hint 14

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Front 15

What is the base unit of time?

Back 15

second (s)

Hint 15

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Front 16

What is the base unit of temperature?

Back 16

kelvin (K)

Hint 16

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Front 17

What is the base unit of electric current?

Back 17

ampere (A)

Hint 17

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Front 18

What is the base unit of luminous intensity?

Back 18

candela (cd)

Hint 18

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Front 19

What is the base unit of material quantity?

Back 19

mole (mol)

Hint 19

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Front 20

What does mass NOT constitute?

Back 20

WEIGHT

Hint 20

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Front 21

WHat is a triple point?

Back 21

The freezing or melting point

Hint 21

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Front 22

What is avogadros number?

Back 22

A mole.
6.022169 x 10^23
Represents the number of atoms in .012kg of carbon 12

Hint 22

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Front 23

What is the diff between italics and non italics?

Back 23

Symbols and abbreviations are nonitalics.
Italics usually represents a constant or variable.
When non italics it usually represents a physical unit.

Hint 23

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Front 24

What is the standard unit for plane angular measure?

Back 24

radian (rad)

Hint 24

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Front 25

What is the standard unit for solid angular measure?

Back 25

steradian (sr)
4(pie) Steradians

Hint 25

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Front 26

What is the standard unit for mechanical force?
What is it in SI units?

Back 26

newton (N)
1N = 1kg x m/s^2

Hint 26

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Front 27

What is the standard unit for energy?
What is it in SI units?

Back 27

joule (J)
1J= 1kg x m^2/s^2

Hint 27

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Front 28

What is the standard unit for power?
What is it in SI units? (x2)

Back 28

watt (W)
1W = 1J/s
1W = 1kg x m^2/s^2

Hint 28

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Front 29

What is the standard unit for electric charge?
What is it in SI units?

Back 29

coulomb (C)
1C = 1A x s

Hint 29

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Front 30

What is the standard unit for electric potential, or electric difference?
What is it also called?
What is it in SI units?

Back 30

volt (V)
Electromotive Force (EMF)
1V= 1 J/C

Hint 30

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Front 31

What is the standard unit for electrical resistance?
What is it in SI units?

Back 31

ohm (ohm or Omega Ω)
1 ohm = 1 V/A

Hint 31

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Front 32

What is the standard unit for electrical conductance?
What is it in SI units?

Back 32

siemens (S, mho)
1S = 1 A/V

Hint 32

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Front 33

What is the standard unit for frequency?
What is it in SI units?

Back 33

hertz (Hz)
1 Hz = 1s^-1

Hint 33

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Front 34

What is the standard unit for capacitance?
What is it in SI units?

Back 34

farad (F)
1 F = 1 C/V

Hint 34

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Front 35

What is the standard unit for inductance?
What is it in SI units?

Back 35

henry (H)
1 H = 1 V x s x A^-1

Hint 35

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Front 36

What is the standard unit for magnetic flux capacity?
What is it in SI units?

Back 36

weber (Wb)
1 Wb = 1A x H

Hint 36

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Front 37

What is the standard unit for Flux density?
What is it in SI units?

Back 37

tesla (T)
1 T = 1 Wb x m^2

Hint 37

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Front 38

WHat is capacitance?

Back 38

The ability of an object or electrical component to store energy in the form of an electric field.

Hint 38

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Front 39

What is inductance?

Back 39

The ability of an object or electrical component to store energy as a magnetic field.

Hint 39

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Front 40

WHat is a dimensionless constant?

Back 40

constants that appear without any units associated, such as pi.

Hint 40

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Front 41

What does gravitational acceleration depend and not depend on?

Back 41

Depends on: Mass of the pulling object, the distance between the pulling mass and the pulled on mass. Not on the mass of the object being pulled on.

Hint 41

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Front 42

What is dimension?

Back 42

The thing that a unit quantifies. For example, meters per second expresses the speed dimension.

Hint 42

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