Solving a Rollercoaster Problem: Confirmation Needed

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SUMMARY

The discussion focuses on solving a physics problem related to rollercoaster dynamics, specifically analyzing forces acting on a rollercoaster at different points. The user has successfully completed the first part of the problem but seeks confirmation on their Free Body Diagrams (FBDs) for the downslope section after point C. A key point established is that the gravitational force (mg) always acts downward, while the normal force (N) acts perpendicular to the surface. This clarification is crucial for accurately solving the problem.

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  • Understanding of Free Body Diagrams (FBDs)
  • Knowledge of gravitational force and normal force concepts
  • Familiarity with rollercoaster dynamics and motion analysis
  • Basic principles of physics related to forces and motion
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  • Analyze rollercoaster dynamics using Newton's laws of motion
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Students studying physics, educators teaching mechanics, and anyone interested in understanding the forces acting on rollercoasters and similar systems.

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Jason03 said:
But for solving after C on the downslope, I am not as confident, do my FBD's look ok, is mg and N reversed?...
Not sure at what point you're solving for, but mg always points down and N always points normal to and out of the surface.
 

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