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Physics > Equations > Flashcards

Equations Flashcards

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1
Q

what is the equation that links mass (m), gravitational field strength (g) and weight (w)

A

W = mg

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2
Q

what is the equation that links force (f) , distance (s) and work done (W)

A

W = fs

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3
Q

what is the equation that links extension (e) , force applied to the spring(F) and spring constant (k)

A

F = ke

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4
Q

what is the equation that links distance(d),moment of a force (M) and force (F)

A

M = Fd

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5
Q

what is the equation that links , force(F), pressure(P) and area(A)

A

P = F/A

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6
Q

what is the equation that links speed(v), time(t), distance travelled(S)

A

S = v t

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7
Q

what is the equation that links change in velocity(∆v), acceleration(a) and time taken(t)

A

∆v
a = ____
t

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8
Q

what is the equation that links mass(m), acceleration(a) and resultant force(F)

A

F = ma

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9
Q

what is the equation that links momentum(p), velocity(v) and mass(m)

A

p = mv

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10
Q

what is the equation that links (speed)^2 (s), 0.5, kinetic energy(Ek) and mass(m)

A

Ek = 1/2 m (v)^2

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11
Q

what is the equation that links gravitational field strength (g), hight(h), mass(m) and gravitational potential energy(Ep)

A

Ep = m g h

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12
Q

what is the equation that links time(t), power(P) and energy transferred (E)

A

P = E/t

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13
Q

what is the equation that links work done(w), power(P) and time(t)

A

P = w/t

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14
Q

what is the equation that links useful output energy transfer, efficiency and total input energy transfer

A

efficiency =
useful output energy transfer
______________________
total input energy transfer

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15
Q

what is the equation that links useful power output, total power output and efficiency

A

efficiency =
useful power output
_______________
total power input

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16
Q

what is the equation that links wave speed (v), wavelength(λ) and frequency (ƒ)

A

v = ƒλ

17
Q

what is the equation that links time(t), charge flow (Q) and current(I)

A

Q = It

18
Q

what is the equation that links current(I), resistance(R) and potential difference(V)

A

V = IR

R = V/I

19
Q

what is the equation that links potential difference(v), power(p) and current(I)

A

P = VI

20
Q

what is the equation that links power(P), resistance(R) and (current)^2 (I)^2

A

P = (I)^2 R

21
Q

what is the equation that links time(t), power(p) and energy transferred(E)

A

E = P t

22
Q

what is the equation that links potential difference(V), charge flow(Q) and energy transferred(E)

A

E = Q V

23
Q

what is the equation that links volume (v), density(ρ) and mass(m)

A

ρ = m/v

Physics (7 decks)

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