Efficiency SImulation — Energy Workshop

Live values

Input energy0 J

Useful energy0 J

Wasted energy0 J

Overall efficiency—

Input power100 W

Useful power75 W

Height gained0 m

Time0 s

FollowingNone

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Device

Ready for a fresh measurement.

Input power 100 W

Current conversion efficiency 75%

Crate mass 20 kg

Simulation speed 1×

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Power and efficiency change live. Overall efficiency uses all energy measured so far. Changing the load starts a fresh trial.

All percentages are adjustable teaching assumptions, not product ratings.

Equations & live substitution

Efficiency = useful output energy ÷ total input energy × 100%

Efficiency = useful output power ÷ input power × 100%

Eᵢₙ = Eᵤₛₑ𝒻ᵤₗ + E𝓌ₐₛₜₑ; E = P × t

Lifting: Eᵤₛₑ𝒻ᵤₗ = mgh; g = 9.8 m/s²

Water: Q = mcΔT; c = 4,200 J/(kg·°C)

Use consistent units and the same measurement interval. Efficiency has no unit. Real conversion devices have losses; 100% here is an ideal limit.

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● Input● Useful● Wasted