Conservation of mechanical energy — Science definition

In the absence of friction and other non-conservative forces, KE + PE stays constant: KE_i + PE_i = KE_f + PE_f.

Where it is taught

• Conservation of Energy — Work, Energy & Momentum, Physics & Environmental Science, Grade 12

Taught alongside

• mechanical energy
• law of conservation of energy
• dissipation
• efficiency

Elsewhere

• All science terms
• All courses and reading

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