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Physics > Units > Flashcards

Units Flashcards

1
Q

Weight

A

N(newton)

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2
Q

Mass

A

KG(kilogram)

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3
Q

Work done

A

J(joule)

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4
Q

Pressure

A

Pa(pascal)

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5
Q

Force

A

N(newton)

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6
Q

Distance

A

M(meter)

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7
Q

Area

A

M squared (square meter)

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8
Q

Volume

A

M cubed(cubic meter)

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9
Q

Extension

A

M(meter)

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10
Q

Speed

A

M/s (meters per second)

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11
Q

Time

A

S (seconds)

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12
Q

Acceleration

A

M/s squared (meters per second per second)

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13
Q

Energy

A

J(Joule)

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14
Q

Power

A

W (watt)

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15
Q

Frequency

A

Hz (hertz)

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16
Q

Charge flow

A

C (Coulombs)

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17
Q

Current

A

Amps

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18
Q

Resistance

A

Ohms

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19
Q

What is the term for the quantity of matter in an object?

A

Mass

Mass is measured in kilograms (kg).

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20
Q

What is the term for the force exerted by gravity on an object?

A

Gravitational field strength

Gravitational field strength is measured in newtons per kilogram (N/kg).

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21
Q

What is the formula for work done?

A

Work done = Force x Distance

Work is measured in joules (J).

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22
Q

What is the term for the push or pull on an object?

A

Force

Force is measured in newtons (N).

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23
Q

What is the term for the straight-line distance covered?

A

Distance

Distance is measured in meters (m).

24
Q

What is the term that describes the stiffness of a spring?

A

Spring constant

Spring constant is measured in newtons per meter (N/m).

25
Q

What is the term for the change in length of a spring when a force is applied?

A

Extension

Extension is also measured in meters (m).

26
Q

What is the term for how fast an object is moving?

A

Speed

Speed is measured in meters per second (m/s).

27
Q

What is the term for the duration of an event?

A

Time

Time is measured in seconds (S).

28
Q

What is the term for the rate of change of velocity?

A

Acceleration

Acceleration is measured in meters per second squared (m/s/s).

29
Q

What is the term for the speed of an object in a specific direction?

A

Velocity

Velocity is also measured in meters per second (m/s).

30
Q

What is the term for the quantity of motion an object has?

A

Momentum

Momentum is measured in kilogram meters per second (kg.m/s).

31
Q

Fill in the blank: The _______ is the time taken for one complete cycle of a periodic process.

A

Time period

Time period is measured in seconds (S).

32
Q

Fill in the blank: The _______ is the number of cycles per second.

A

Frequency

Frequency is measured in hertz (Hz).

33
Q

Fill in the blank: The _______ is the speed at which waves travel.

A

Wave speed

Wave speed is measured in meters per second (m/s).

34
Q

What is the term for the distance between successive crests of a wave?

A

Wave length

Wave length is measured in meters (m).

35
Q

What is the term for the force experienced by a conductor carrying current in a magnetic field?

A

Force on a conductor

This force is measured in newtons (N).

36
Q

What is the term for the measure of the strength of a magnetic field?

A

Magnetic flux density

Magnetic flux density is measured in teslas (T).

37
Q

What is the term for the flow of electric charge?

A

Current

Current is measured in amperes (A).

38
Q

What is the term for the length of the conductor through which current flows?

A

Length of wire

Length of wire is measured in meters (m).

39
Q

What is the unit of measure for force?

A

N

N stands for newton.

40
Q

What is the unit of measure for mass?

A

kg

kg stands for kilogram.

41
Q

What is the unit of measure for gravitational field strength?

A

N/kg

N/kg indicates newtons per kilogram.

42
Q

What is the unit of measure for distance?

A

m

m stands for meter.

43
Q

What is the unit of measure for spring constant?

A

N/m

N/m indicates newtons per meter.

44
Q

What is the unit of measure for speed?

A

m/s

m/s stands for meters per second.

45
Q

What is the unit of measure for time?

A

S

S stands for seconds.

46
Q

What is the unit of measure for acceleration?

A

m/s/s

m/s/s indicates meters per second squared.

47
Q

What is the unit of measure for velocity?

A

m/s

m/s stands for meters per second.

48
Q

What is the unit of measure for momentum?

A

kg.m/s

kg.m/s indicates kilogram meters per second.

49
Q

What is the unit of measure for time period?

A

S

S stands for seconds.

50
Q

What is the unit of measure for frequency?

A

HZ

HZ stands for hertz.

51
Q

What is the unit of measure for wave speed?

A

m/s

m/s stands for meters per second.

52
Q

What is the unit of measure for wavelength?

A

m

m stands for meter.

53
Q

What is the unit of measure for force on a conductor?

A

N

N stands for newton.

54
Q

What is the unit of measure for magnetic flux density?

A

T

T stands for tesla.

55
Q

What is the unit of measure for current?

A

A

A stands for ampere.

56
Q

What is the unit of measure for length?

A

m

m stands for meter.

Physics (12 decks)

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