Units Flashcards
Weight
N(newton)
Mass
KG(kilogram)
Work done
J(joule)
Pressure
Pa(pascal)
Force
N(newton)
Distance
M(meter)
Area
M squared (square meter)
Volume
M cubed(cubic meter)
Extension
M(meter)
Speed
M/s (meters per second)
Time
S (seconds)
Acceleration
M/s squared (meters per second per second)
Energy
J(Joule)
Power
W (watt)
Frequency
Hz (hertz)
Charge flow
C (Coulombs)
Current
Amps
Resistance
Ohms
What is the term for the quantity of matter in an object?
Mass
Mass is measured in kilograms (kg).
What is the term for the force exerted by gravity on an object?
Gravitational field strength
Gravitational field strength is measured in newtons per kilogram (N/kg).
What is the formula for work done?
Work done = Force x Distance
Work is measured in joules (J).
What is the term for the push or pull on an object?
Force
Force is measured in newtons (N).
What is the term for the straight-line distance covered?
Distance
Distance is measured in meters (m).
What is the term that describes the stiffness of a spring?
Spring constant
Spring constant is measured in newtons per meter (N/m).
What is the term for the change in length of a spring when a force is applied?
Extension
Extension is also measured in meters (m).
What is the term for how fast an object is moving?
Speed
Speed is measured in meters per second (m/s).
What is the term for the duration of an event?
Time
Time is measured in seconds (S).
What is the term for the rate of change of velocity?
Acceleration
Acceleration is measured in meters per second squared (m/s/s).
What is the term for the speed of an object in a specific direction?
Velocity
Velocity is also measured in meters per second (m/s).
What is the term for the quantity of motion an object has?
Momentum
Momentum is measured in kilogram meters per second (kg.m/s).
Fill in the blank: The _______ is the time taken for one complete cycle of a periodic process.
Time period
Time period is measured in seconds (S).
Fill in the blank: The _______ is the number of cycles per second.
Frequency
Frequency is measured in hertz (Hz).
Fill in the blank: The _______ is the speed at which waves travel.
Wave speed
Wave speed is measured in meters per second (m/s).
What is the term for the distance between successive crests of a wave?
Wave length
Wave length is measured in meters (m).
What is the term for the force experienced by a conductor carrying current in a magnetic field?
Force on a conductor
This force is measured in newtons (N).
What is the term for the measure of the strength of a magnetic field?
Magnetic flux density
Magnetic flux density is measured in teslas (T).
What is the term for the flow of electric charge?
Current
Current is measured in amperes (A).
What is the term for the length of the conductor through which current flows?
Length of wire
Length of wire is measured in meters (m).
What is the unit of measure for force?
N
N stands for newton.
What is the unit of measure for mass?
kg
kg stands for kilogram.
What is the unit of measure for gravitational field strength?
N/kg
N/kg indicates newtons per kilogram.
What is the unit of measure for distance?
m
m stands for meter.
What is the unit of measure for spring constant?
N/m
N/m indicates newtons per meter.
What is the unit of measure for speed?
m/s
m/s stands for meters per second.
What is the unit of measure for time?
S
S stands for seconds.
What is the unit of measure for acceleration?
m/s/s
m/s/s indicates meters per second squared.
What is the unit of measure for velocity?
m/s
m/s stands for meters per second.
What is the unit of measure for momentum?
kg.m/s
kg.m/s indicates kilogram meters per second.
What is the unit of measure for time period?
S
S stands for seconds.
What is the unit of measure for frequency?
HZ
HZ stands for hertz.
What is the unit of measure for wave speed?
m/s
m/s stands for meters per second.
What is the unit of measure for wavelength?
m
m stands for meter.
What is the unit of measure for force on a conductor?
N
N stands for newton.
What is the unit of measure for magnetic flux density?
T
T stands for tesla.
What is the unit of measure for current?
A
A stands for ampere.
What is the unit of measure for length?
m
m stands for meter.