功计算器 — 公式
## Work Done by a Force
Work is the energy transferred when a force moves an object through a displacement.
### Formula
**W = F * d * cos(theta)**
When the force is parallel to motion (theta = 0), all of the force contributes to work. At 90 degrees, no work is done.
Work is the energy transferred when a force moves an object through a displacement.
### Formula
**W = F * d * cos(theta)**
When the force is parallel to motion (theta = 0), all of the force contributes to work. At 90 degrees, no work is done.
计算示例
A 50 N force pushes a box 10 meters along the floor (angle = 0 degrees).
- W = F * d * cos(theta)
- W = 50 * 10 * cos(0°)
- W = 50 * 10 * 1
- W = 500 J