Answer to Question #120589 in Physics for Cecilia

Question

Draw a qualitative free-body diagram for a box at rest on a ramp at a 30 degree angle. Make sure to use congruency marks where appropriate.

Answer 1

Here $\mathbf{F_g}$ is the gravity force, $\mathbf{F_{fr}}$ is the friction force and $\mathbf{N}$ is the reaction force.