Centripetal force, FC:
At critical speed, gravitational force and centripetal forces are equal:
A roller coaster car crosses the top of a circular loop-the-loop at twice the critical speed.
What is the ratio of the normal force to the gravitational force?
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 Centripetal Forces & Curves concept. If you need more Centripetal Forces & Curves practice, you can also practice Centripetal Forces & Curves practice problems.
What professor is this problem relevant for?
Based on our data, we think this problem is relevant for Professor Stevens' class at UMASS.