The force that propels an object in a given direction, either by the object itself or something pushing it forward.
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Weight
A measure of the heaviness and the gravitational force on a object.
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Tension
A force tending to stretch or elongate something.
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Bouyancy
The tendency or capacity to remain afloat in a liquid or rise in air or gas.
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Lift
To direct or carry from a lower to a higher position.
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Magnetism
Any of a class of phenomena in which a field of force is caused by a moving electric charge.
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Air/Water resistance
A force acting on a moving body, opposite in direction to the movement of the body, caused by the interaction of the body and the medium it moves through.
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Friction
A resistance encountered when one surface moves relative to another surface with which it is in contact with.
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Average speed, distance, time
distance / time
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Force, mass, acceleration
mass x acceleration
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Acceleration, change in velocity, time taken
change in velocity / time taken
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Momentum, mass, velocity
mass x velocity
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Density, mass, volume
mass / volume
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Efficiency, useful energy output from the system, total energy input to the system, 100%
useful energy output from the system / total energy input to the system x 100%
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Work done, force, distance moved in direction of force
force x distance moved in direction of force
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Energy transferred, work done
=work done
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Kinetic energy, 1/2, mass, speed
1 / 2 x mass x speed^2
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Change in gravitational potential energy, mass, gravitational field strength, change in height
mass x gravitational field strength x change in height
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Weight, mass, gravitational field strength
mass x gravitational field strength
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Pressure, force, area
force / area
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Moment, force, perpendicular distance from pivot
force x perpendicular distance from pivot
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Charge, current, time
current x time
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Voltage, current, resistance
current x resistance
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Electrical power, voltage, current
voltage x current
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Wave speed, frequency, wavelength
frequency x wavelength
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Input power
=output power
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Input (primary) voltage / output (secondary) voltage
primary turns / secondary turns
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n, sin i , sin r
sin i / sin r
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sin c, 1, n
1 / n
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Pressure difference, height, density, g
height x density x g
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p
hpg
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Other cards in this set
Card 2
Front
A measure of the heaviness and the gravitational force on a object.
Back
Weight
Card 3
Front
A force tending to stretch or elongate something.
Back
Card 4
Front
The tendency or capacity to remain afloat in a liquid or rise in air or gas.
Back
Card 5
Front
To direct or carry from a lower to a higher position.
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