## Unit 3 - Forces

Learning Targets

Material

Text resources:

OpenStax University Physics Volume 1: Chapters 5 and 6

Labs:

Useful Stuff

Video course

Homework problem sets Halliday and Resnick

- Be able to explain Newtons three laws
- Be able to calculate forces and net forces
- Be able to express forces in vector notation
- Be able to solve problems involving forces acting at angles
- Be able to account for friction
- Be able to calculate forces including the effect of friction
- Be able to describe circular motion and calculate centripetal force
- Be able to describe and calculate gravitational force between two objects

Material

- Forces intro - slides
- Interactions practice - slides
- Packet of notes for class here
- Ramp Challenge here

Text resources:

OpenStax University Physics Volume 1: Chapters 5 and 6

Labs:

- Disk on rails - here
- Cart friction challenge
- Fan balancing act

Useful Stuff

- Balloon Problem worked here

Video course

- Solving Newtons second law problems Part 1, Part 2
- Atwood's machine Part 1, Part 2
- Circular motion Part 1, Part 2
- Banked turns here
- Elevator problems here
- Review Part 1, Part 2, Part 3

Homework problem sets Halliday and Resnick

- Chapter 5: Questions: 1,3,5,8,9,10 Exercises: 1E, 2E, 3E,5E
- Chapter 5: Exercises: 8P, 9E, 11E, 13E, 16E, 20E, 23E, 26P, 29P
- Chapter 5: Exercises: 31P, 34P, 36P, 37P, 39P, 41P, 42P, 43P
- Chapter 5: Exercises: 43P, 44P, 46P, 47P, 49P, 50P, 51P, 53P, 56P
- Chapter 6: Questions: 2, 5, 7 Exercises: 3E, 4E, 7E, 14P, 15P, 19P
- Chapter 6: Exercises: 21P, 24P, 26P, 31P, 33E, 37E, 41P, 45P, 47P