physics Flashcards by Denise I | Brainscape

Q

vector definition

A

magnitude and direction

includes: velocity, displacement, acceleration, force

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Q

scalar definition

A

magnitude only

includes: speed, distance, energy, pressure, mass

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Q

vector addition

A

A+B

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Q

vector subtraction

A

A+(-B)

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Q

scalar product of vectors

A

|A| |B| cos 0

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Q

vector product of vectors

A

|A| |B| sin 0

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Q

displacement definition

A

net change in initial to final position

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Q

velocity definition

A

rate of change of displacement over time

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Q

force definition

A

vector quantity experienced as push or pull

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Q

gravity definition

A

attractive force that is felt by all forms of matter

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Q

Friction definition

A

force that opposes movement of objects

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Q

acceleration definition

A

rate of change of velocity as a result of force

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Q

translational equilibrium definition

A

no net force; constant velocity

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Q

rotational equilibrium definition

A

no net torque; constant angular velocity

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Q

equation for Newton

A

kg•m
——-
s^2

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