Hard Physics Problem - Centripetal Force

In summary, the conversation discusses the operation of a popular amusement ride and the necessary conditions for riders to remain suspended against the wall when the floor is lowered. The equation Fc = Vr^2/m is mentioned as a possible way to calculate the necessary period of rotation, and a free-body diagram is suggested as a starting point for solving the problem. The coefficient of friction for the wall is also mentioned as a potentially important factor.
  • #1
Rbethell16
10
0

Homework Statement


A popular amusement ride operates as follows: Riders enter the cylindrical structure when its stationary with the floor. They then stand against the wall as the cylinder then begins to rotate. When it is up to speed, the floor is lowered, leaving the riders suspended against the wall high above the floor. What is the maximum period of rotation necessary to keep the riders from sliding down the wall when the floor is lowered.

Homework Equations


Fc = Vr^2/m

The Attempt at a Solution


I truly do not know where to begin
 
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  • #2
Rbethell16 said:

The Attempt at a Solution


I truly do not know where to begin

Start by drawing a free-body diagram, remember that centripetal force should not be on your diagram.
 
  • #3
Rbethell16 said:
I truly do not know where to begin

Perhaps with the specification of the coefficient of friction for the wall?
 

FAQ: Hard Physics Problem - Centripetal Force

What is centripetal force?

Centripetal force is a force that acts on an object moving in a circular path, directing it towards the center of the circle. It is responsible for keeping the object moving in a curved path instead of a straight line.

How is centripetal force calculated?

Centripetal force can be calculated using the formula Fc = (mv^2)/r, where Fc is the centripetal force, m is the mass of the object, v is the velocity, and r is the radius of the circular path.

What is the difference between centripetal force and centrifugal force?

Centripetal force is a real force that acts on an object, while centrifugal force is a fictitious force that appears to act on the object but is actually just the object's inertia. Centrifugal force is the opposite and equal reaction to centripetal force.

How does centripetal force affect the motion of an object?

Centripetal force changes the direction of an object's motion, causing it to move in a circular path. It does not change the object's speed unless acted upon by an external force.

What are some real-world examples of centripetal force?

Some examples of centripetal force include a car turning a corner, a satellite orbiting the Earth, a person riding a merry-go-round, and a ball attached to a string being swung in a circle.

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