If the roller coaster starts from rest at position A Rank th

If the roller coaster starts from rest at position A. Rank the normal forces felt by the passengers at points A, B and C from largest to smallest.

Solution

Velocity at point A is u = 0

Normal force at point A is N = weight

                                         = mg

Velocity at point B is greater than velocity at point C.

Normal force at B is = weight - centripeatl force at point B

                              = mg -(mv ²/ r)

Normal force at point C is = Weight + centriptal force at point C

                                      = mg +(mv \' ² / r)

So, order from largest to smallest is C,A,B