GCSE Physics Equations

• Created by: Samz.A
• Created on: 17-04-18 19:18
D (m) = S (m/s) x T (s)
Distance = Speed x Time
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a (m/s²) = (v-u) (m/s) / t (s)
Acceleration = (final velocity - initial velocity) / time
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F (N) = m (kg) x a (m/s²)
Force = mass x acceleration
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W (N) = m (kg) x g (N/kg)
Weight = mass x gravitational field strength
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P (kg m/s) = m (kg) x v (m/s)
Momentum = mass x velocity
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Efficiency
Efficiency = useful energy (J) / total energy (J) x 100%
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GPE (J) = m (kg) x g (N/kg) x h (m)
Change in gravitational potential energy = mass x change in gravitational field strength x change in vertical height
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KE (J) = 1/2 x m (kg) x v² (m/s)²
Kinetic energy = 1/2 x mass x velocity²
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v (m/s) = f (Hz) x λ (m)
Wave speed = frequency x wavelength
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v (m/s) = x (m) / t (s)
Wave speed = distance/time
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E (J) = f (N) x d (m)
Work done = force x distance moved in direction of force
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P (W) = E (J) / t (s)
Power = work done/time taken
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Q (C) = I (A) x t (s)
Charge = current x time
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E (J) = Q (C) x V (V)
Energy transferred = charge moved x potential difference
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V (V) = I (A) x R (Ω)
Potential difference = current x resistance
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P (W) = I (A) x V (V)
Electrical power = current x potential difference
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P (W) = E (J) / t (s)
Power = Energy transferred / time taken
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P (W) = I² (A²) x R (Ω)
Electrical power = current² x resistance
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ρ (kg/mᶟ) = m (kg) / v (mᶟ)
Density = mass / volume
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F (N) = k (N/m) × x (m)
Force exerted on a spring = spring constant × extension
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Other cards in this set

Card 2

Front

Acceleration = (final velocity - initial velocity) / time

Back

a (m/s²) = (v-u) (m/s) / t (s)

Card 3

Front

Force = mass x acceleration

Card 4

Front

Weight = mass x gravitational field strength

Card 5

Front

Momentum = mass x velocity