Example Question

Example Question

Dry Friction example question

Find the maximum angle of incline θ before your awesome box starts sliding down the slope.

Find the maximum angle of incline θ before your awesome box starts sliding down the slope.

Click below to show answer. X

Step 1:
Draw FBD with correct friction force

Step 1:
Draw FBD with correct friction force

Dry Friction solution step 1

Step 2:
Solve equations of equilibrium to get maximum θ

Step 2:
Solve equations of equilibrium to get maximum θ

Dry Friction solution step 2

Useful formula:

Useful formula:

Dry Friction formula

Now that you've mastered this question, you can try Question 1.