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Work, energy & power formulas
9 formulas for Work, energy & power, from the Physics — Formulas section of the Quantix formula library. Tap 🧮 next to a formula to solve it for any variable with step-by-step working.
| Name | Formula | Note |
|---|---|---|
| Work | W = F·s = Fs cos θ 🧮 Solve step by step | J |
| Kinetic energy | KE = ½mv² = p²/2m 🧮 Solve step by step | J |
| Gravitational potential energy | PE = mgh 🧮 Solve step by step | J |
| Spring potential energy | U = ½kx² 🧮 Solve step by step | J |
| Work–energy theorem | W_net = ΔKE 🧮 Solve step by step | |
| Power | P = W/t = F·v 🧮 Solve step by step | W |
| Efficiency | η = output / input × 100% | |
| Hooke's law | F = −kx 🧮 Solve step by step | N |
| Conservation of energy | KE + PE = constant | no non-conservative forces |
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