## Unit 4 - Kinetic and potential energy

Added Gravity and Some planet items into this unit

Homework problem sets

Labs:

- Disk

Video course (from apphysicslectures.com)

- Tying mechanics and Forces together - Big Picture 1, Big Picture 2
- Gravitational force here
- Gravitational potential energy here
- Dot product reminder part 1 and part 2
- Integral and work here
- Using calculus to get kinematics equations here
- Work done by constant force here
- Work done by varying force here
- Power here
- Conserved Forces and not part 1, part 2
- Work done by conserved forces here
- Review Part 1, Part 2, Part 3, Part 4

Extra video - Turning Point

Answer key to released questions here

video B3: The Gravitational Force. This video gives a few different viewpoints of the gravitational force and described by Newton's Law of Universal Gravity.

video B4: Gravitational Potential Energy. This video gives a few different viewpoints of gravitational potential energy. More information on gravitational potential energy will be given in units D and G.

video B5: Gravitational Forces and Energies. This video shows how the universal equations for gravitational force and energy transition into their more simple forms when you are near the earth's surface.

video G1: The Gravitational Field Strength. This video is on the gravitational field due to a planet.

video G2: Satellites in Circular Orbit. This video details the physics of satellites in circular orbit around another object.

video G3: Kepler's 3 Laws of Planetary Motion.

video G4: Elliptical Orbits and the Conservation of Energy

video G5: Elliptical Orbits and the Conservation of Angular Momentum

Video G6: Escape Velocity. explains how you calculate an object's escape velocity for a given planet.

video G7: The Physics of Binary Star Systems

video G8: Review for Unit G (part 1). This video is a review of the concepts covered in unit G on Planetary or Satellite Motion. Try pausing the video after each question to see if you can answer the question on your own.

video G9: Review for Unit G (part 2)

video G10: Review for Unit G (part 3)