- #1
jcfor3ver
- 30
- 0
Homework Statement
A uniform board of length and mass lies near a boundary that separates two regions. In region 1, the coefficient of kinetic friction between the board and the surface is , and in region 2, the coefficient is . The positive direction is shown in the figure.
Homework Equations
Wnet= -[(M*g*mu1*L)+(M*g*mu2*L)]
The Attempt at a Solution
^^^^^^ wouldn't that be my solution above? computer is teling me that I am wrong.