Equations Flashcards

1
Q

Displacement

A

Δx (m)

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2
Q

Velocity

A

v = Δx / Δt (m.s-1)

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3
Q

Acceleration

A

a = Δv / Δt (m.s2)

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4
Q

Momentum

A

P=mv (kg.m.s-1)

Momentum = mass x velocity

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5
Q

Force

A

F=ma (N)

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6
Q

Impulse

A

Imp = Ft = Δp (N.s)

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7
Q

Kinetic energy

A

KE = 1⁄2mv2 (J)

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8
Q

Angular displacement

A

Δθ (rad)

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9
Q

Angular velocity

A

ω = Δθ / Δt (rad.s-1)

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10
Q

Angular acceleration

A

α = Δω / Δt (rad.s-2)

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11
Q

Moment of inertia

A

I = Σ(md2) (kg.m2)

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12
Q

Angular momentum

A

Moment of inertia x angular velocity (kg.m2.s-1)

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13
Q

Torque

A

T=la (N.m)

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14
Q

Angular impulse

A

Imp = Tt = Δh (N.m.s)

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15
Q

Kinetic energy

A

KE = 1⁄2Iω2 (j)

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16
Q

Arc length

A

s = rθ

17
Q

Tangential velocity

A

vT = rω

18
Q

Tangential acceleration

A

aT = rα

19
Q

Radial acceleration

A

aR = vT2 / r = rω2

20
Q

Revolutions, radians, degrees

A

1 revolution = 2π radians = 360 degrees