If we assume the marble is rolling instead of sliding then there necessarily must be friction between the bowl and the marble.
Marble in a bowl physics.
We can make it roll back and forth just as a marble would in a real bowl.
By science buddies on july 12 2012.
Marble and glass bowl.
Place a marble inside the bowl and tilt the bowl periodically so the marble rolls from the bottom of the bowl to equally high points on the sides of the bowl.
Start the marble rolling tangentially in the bowl to obtain an orbit then observe the effects of conservation of angular momentum.
Get a feel for the force required to maintain this periodic motion.
In our atomic ion experiments we can make an atomic marble.
What is the restoring force and what role does the force you apply play in the simple harmonic motion shm of the marble.
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If one calculates.
And at some instance of time then the atom will be on the right side of the bowl and a little bit later on the left side of the bowl.
Shm and the marble.
When the jell o is set in each cup place a marble on the surface of the jell o in the center of the cup.
Find a bowl or basin that is shaped like a hemisphere on the inside.
Place a marble inside the bowl and tilt the bowl periodically so the marble rolls from the bottom of the bowl to equally high points on the sides of the bowl.
To demonstrate orbits in a gravitational potential well.
The friction causes a torque which is not included in the op s computation.