Where is the Least Net Force on a Roller Coaster Going Through a Vertical Loop?

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SUMMARY

The net force on a roller coaster traveling through a vertical loop is least at the top of the loop. This conclusion is based on the principles of circular motion and gravitational forces acting on the coaster. At the top, the gravitational force partially counteracts the centripetal force required to maintain circular motion, resulting in a lower net force experienced by the riders. Understanding these dynamics is crucial for analyzing forces in roller coaster design.

PREREQUISITES
  • Circular motion principles
  • Gravitational force concepts
  • Net force calculations
  • Basic physics of roller coasters
NEXT STEPS
  • Study the equations of motion for circular paths
  • Learn about centripetal force and its applications
  • Explore gravitational effects on objects in motion
  • Investigate roller coaster design principles and safety measures
USEFUL FOR

Physics students, roller coaster designers, and engineers interested in understanding forces acting on objects in circular motion.

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Homework Statement



A roller coaster goes through a vertical loop, the net force on the coaster is the least, where?

Homework Equations





The Attempt at a Solution



I said on the sides.

however it could be at the bottom, at the top, or the same all the way around.

i assumed not much force is affecting the sides.
any help please?
 
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So your strategy for solving the problem is guessing? How about applying some principles of physics instead? What do you know about circular motion? What forces are required to keep an object in circular motion? There's the answer to your question right there.

EDIT: As berkeman pointed out, this object is also under the influence of a gravitational field, and that factors in too.
 
You're just guessing. Think about it more. Where do the people feel the least amount of weight? (the pressing of themselves into the seat)
 

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