Work, Energy, and Power - Theory & Concepts - Conservation Energy

A comprehensive overview of Work, Energy, and Power, exploring energy transfer, conservation, and efficiency.

Interactive engineering simulation

Study the conversion between potential and kinetic energy on a frictionless track. The total mechanical energy remains conserved at all points.

Cart Mass2 kg

1–10

Drag for exploration or enter an exact value. Press Enter to apply; Escape restores the current value.

Initial Height10 m

5–15

Drag for exploration or enter an exact value. Press Enter to apply; Escape restores the current value.

Kinetic Energy (K)0 J

Potential Energy (U)196 J

Total Mechanical Energy (E)196 J

Governing Formulas

Conservation of Energy

E = K + U = \text{constant}

Kinetic & Potential Energy

K = \frac{1}{2}mv^2, \quad U = mgh

Time0.0 s

Height (h)10.0 m

Speed (v)0.0 m/s

Position (x)0.0 m

Model scope and verification

Use the displayed units and idealizations, then verify the governing balance or compatibility equation before interpreting the result.

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