The weight acts vertically downwards.
The reaction force acts perpendicularly to the surface/slope.
The kinetic friction force due to skidding acts parallel to the surface in the direction against the motion.
Force due to a gravitational acceleration component acts parallel to the surface directed downslope.
You've slammed on the brakes and your car is skidding to a stop while going down a 20-degree hill.
Draw a Free Body Diagram of this.
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Kinetic Friction concept. You can view video lessons to learn Kinetic Friction. Or if you need more Kinetic Friction practice, you can also practice Kinetic Friction practice problems.
What professor is this problem relevant for?
Based on our data, we think this problem is relevant for Professor Herat's class at Slippery Rock University of Pennsylvania.