The friction causes a torque which is not included in the op s computation.
Marble in a bowl physics.
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.
If one calculates.
If we assume the marble is rolling instead of sliding then there necessarily must be friction between the bowl and the marble.
Shm and the marble.
By science buddies on july 12 2012.
We can make it roll back and forth just as a marble would in a real bowl.
In our atomic ion experiments we can make an atomic marble.
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.
Get a feel for the force required to maintain this periodic motion.
Marble in glass bowl purpose.
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.
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.
Marble and glass bowl.
Find a bowl or basin that is shaped like a hemisphere on the inside.
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To demonstrate orbits in a gravitational potential well.
Get a feel for the force required to maintain this periodic motion.