# Phisic mechanic

posted by
**cls**
.

An applied force varies with position according to eq. Fx = 3x3 - 5, where x is in m, and Fx in N. What is the work of this force on a body that moves from x to x = 4 m = 7 m?

posted by
**cls**
.

An applied force varies with position according to eq. Fx = 3x3 - 5, where x is in m, and Fx in N. What is the work of this force on a body that moves from x to x = 4 m = 7 m?