if we have a roller coaster. The car starts from a height above the ground,h then goes a loop around a circle and exits the loop. if the car is at the top of the loop where it is facing down, show that the normal force is 6 times larger if the car starts at any point above h.

Question

if we have a roller coaster. The car starts from a height above the ground,h then goes  a loop around a circle and exits the loop. if the car is at the top of the loop where it is facing down, show that the normal force is 6 times larger if the car starts at any point above h.

anonymous · Answer

this is aquestion from MIT Physics group...they ask good questions there