- What force is needed to keep an object moving in a circle? In what direction does that force have to act?
Learning Goal: I can
- ...explain the difference between rotating and revolving.
- ...describe centripetal force, give examples, and relate it to Newton’s Laws of Motion.
- ...describe the difference between centripetal force and “centrifugal force”.
- ...describe and apply Newton’s Law of Universal Gravitation to various situations.
- ...use Newton’s Law of Gravitation to explain weightlessness, ocean tides, and black holes.
Today:
Assignment:
- See me ASAP about a retest.