Power

P=WtP = \frac{W}{t}

Description

Rate at which work is done or energy is transferred.

Variables

Symbol Meaning
P Power (Watts)
W Work (Joules)
t Time (seconds)

Example

Problem

Power if 100J work in 5s

Solution

P = 100/5 = 20 W

Real-World Applications

  • Electrical systems
  • Mechanics
  • Engineering