General physics Flashcards by Sara Slaatsveen

Q

Velocity (m/s) =

A

distance(m) ÷ time(s)

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Q

Acceleration =

A

final velocity-initial velocity ÷ time

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Q

Weight (N) =

A

mass(kg) x acceleration due to gravity (m/s2)

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Q

Density =

A

mass ÷ volume

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Q

Force =

A

mass x acceleration

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Q

Hooke´s law:

Force =

A

k(spring constant) x X(extension in m)

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Q

Moment of force =

A

force x distance (from pivot)

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Q

Work done =

A

force x distance (covered by an object)

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Q

Kinetic energy (J) =

A

1/2 x mass (kg) x velocity2 (m/s)

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Q

Potential Energy =

A

mass (kg) x acceleration due to gravity x height

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Q

Power (W) =

Power (W) =

A

work done ÷ time taken

energy transfer ÷ time taken

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Q

Pressure in pascal (Pa) =

A

force (N) ÷ area (m2)

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Q

Pressure due to liquid =

A

density x acceleration due to gravity x height of liquid

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