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Search options not deleted user 300280

A tag for questions about rotational motion, including angular velocity and angular acceleration.

1 vote
4 answers
1k views

What happens to a rolling ball when it falls?

Let's say a ball is rolling down a roof and then falls off it to the ground. From the top of the roof to the border of the roof potential energy transforms to kinetic energy (both translational and ro …
Matthew's user avatar
  • 179
-1 votes
2 answers
54 views

Why do we only consider the monkey's translational energy and the pole's rotational energy? [closed]

The problem states: A 50-kg monkey sits at the top of a 5-m high 200-kg pole. A worker saws through the bottom of the pole so that it falls on the side. With what speed does the monkey hit the floor …
Matthew's user avatar
  • 179
2 votes
1 answer
114 views

Is there a nice physical interpretation of this formula?

As a trivial example in our vector analysis class, we did the following computation. Let $\overrightarrow{\omega} = (\omega_1, \omega_2, \omega_3)$ be the angular velocity and $\overrightarrow{r} =(x, …
Matthew's user avatar
  • 179