General Physics: Energy Sources & Conversions

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Category

Energy Source

Simulation

Energy Output

Power Output

0

MW (megawatts)

Efficiency: —

—

Renewable Renewable Energy Sources Naturally replenished — sustainable & environmentally friendly

⏸ Paused

Simulation

Energy Breakdown

Kinetic Energy (Eₖ)

0

joules (J)

Potential Energy (Eₚ)

0

joules (J)

Total Energy (E)

0

joules (J) — conserved

GPE ↔ KE Energy Conversion & Conservation Total mechanical energy is conserved when no energy is lost to friction or air resistance

Key Formulae

Eₖ = ½mv²

kinetic energy (J) — m in kg, v in m/s

Eₚ = mgh

gravitational PE (J) — g = 9.8 m/s²

Eₖ + Eₚ = constant

conservation of energy (no friction)

v = √(2gh)

speed at bottom from height h

Simulation

Controls

Power Meter

Power Output

0

watts (W)

Work / Energy

0

joules (J)

Time

0

seconds (s)

Key Terms

Power (P)Rate of doing work. P = W/t = E/t. Unit: watt (W).
Watt (W)1 W = 1 J per second. Named after James Watt.
Work (W)W = F × d. Energy transferred. Unit: joules (J).

P = W/t Power — Rate of Doing Work Power measures how quickly energy is transferred or work is done