V = I × R
Ohm's law
Seen in AirFryerClear, FanClear, UPSClear +4
Laws, principles & concepts.
The rules behind every box: 27 so far, each with a model to play with and everyday examples.
P + ½ρv² = constant
Bernoulli's principle
Seen in FanClear, ChimneyClear, CarClear +3
F = m × a
Newton's laws of motion
Seen in CarClear, MotorcycleClear, CycleClear +6
Energy in = energy out
Conservation of energy
Seen in CarClear, CycleClear, MicrowaveClear +7
ΔU = Q − W
The laws of thermodynamics
Seen in CarClear, MotorcycleClear, ACClear +5
PV = nRT
The gas laws
Seen in LungsClear, CarClear, MotorcycleClear +5
ℰ = −dΦ/dt
Faraday's law of induction
Seen in UPSClear, MicrowaveClear, FanClear +5
P = F ÷ A
Pascal's principle
Seen in CarClear, MotorcycleClear, CycleClear +5
F = k × x
Hooke's law
Seen in PenClear, WasherClear, CarClear +6
q = h × A × ΔT
Heat transfer
Seen in AirFryerClear, FridgeClear, WaterHeaterClear +6
v = f × λ
Waves and resonance
Seen in PianoClear, GuitarClear, FluteClear +7
n₁ sin θ₁ = n₂ sin θ₂
Snell's law
Seen in CameraClear, EyeClear, TVClear
fuel + O₂ → CO₂ + H₂O + heat
Combustion and conservation of mass
Seen in CarClear, MotorcycleClear, ChimneyClear +2
π = iMRT
Osmosis and diffusion
Seen in ROClear, KidneyClear, IntestineClear +1
a = Δv ÷ Δt
Speed, velocity and acceleration
Seen in CarClear, MotorcycleClear, CycleClear +2
F = m × a
Force
Seen in CycleClear, CarClear, MotorcycleClear +3
m = F ÷ a
Inertia and mass
Seen in CarClear, MotorcycleClear, CycleClear +1
p = m × v
Momentum
Seen in CarClear, MotorcycleClear, CycleClear +1
W = F × d · P = W ÷ t
Work and power
Seen in CarClear, MixerClear, FanClear +3
F = μ × N
Friction
Seen in CarClear, CycleClear, MotorcycleClear +3
F = G m₁ m₂ ÷ r²
Gravity
Seen in CycleClear, CarClear, HeartClear +2
P = F ÷ A
Pressure
Seen in CycleClear, CarClear, ROClear +4
F = ρ × V × g
Density and buoyancy
Seen in WaterHeaterClear, ROClear, ACClear +1
τ = F × r
Torque
Seen in CarClear, CycleClear, MotorcycleClear +3
F = m v² ÷ r
Circular motion
Seen in WasherClear, MixerClear, FanClear +3
F = q v × B
Magnetism
Seen in MRIClear, FanClear, MicrowaveClear +5
I = Q ÷ t
Electric current and voltage
Seen in UPSClear, FanClear, TVClear +4