Stop on the right equilibrium

Exercise and reference answers

Questions

1. Answer

   Stable

   Question

   A marble at the bottom of a bowl.

2. Answer

   Unstable

   Question

   A ball balanced on top of a dome.

3. Answer

   Neutral

   Question

   A ball resting on a flat floor.

4. Answer

   Stable

   Question

   Force after a nudge opposes the nudge.

5. Answer

   Unstable

   Question

   Force after a nudge follows the nudge.

Choices

1. Stable
2. Unstable
3. Neutral

Instructions

Tap once to start the sweep, then tap again to stop it on the right type.

Explanation