功率(物理)计算器 — 公式
## Mechanical Power
Power is the rate at which work is performed or energy is transferred.
### Formula
**P = W / t**
One watt equals one joule per second. To convert watts to horsepower, divide by 745.7.
Power is the rate at which work is performed or energy is transferred.
### Formula
**P = W / t**
One watt equals one joule per second. To convert watts to horsepower, divide by 745.7.
计算示例
A motor does 1000 J of work in 5 seconds.
- P = W / t
- P = 1000 / 5
- P = 200 W
- P = 0.2 kW
- P = 200 / 745.7 = 0.268 hp