Week 7: 16 October to 20 October 2023

16 October 2019:

**In Class:** Force of Gravity, Normal Force, Weight, and Friction.

Expectations: Students will solve simple friction problems.

**Lab 4:**

Data collection and analysis of
Free Fall Reaction Time Lab.

Expectations: Students will be able to calculate time from distance in free fall.

**Due:** Pages 1:161-163 (202 – 211).

**Homework:** Pages 1:163-164 (212 – 217) and finish the
Free Fall Reaction Time Lab report.

17 October 2023:

**In Class:** Relationship between Weight and Friction:

*F*= μ

_{f}*F*

_{N}

*F*= force of friction

_{f}μ = coefficient of friction

*F*

_{N}= normal force

Expectations: Students will solve friction problems.

**Due:** Pages 1:163-164 (212 – 217).

**Homework:** Pages 1:164-165 (218 – 227).

18 October 2023:

**In Class:** Forces on a Ramp (free body diagrams).

Expectations: Students will resolve and solve friction and free body diagram problems involving ramps.

Expectations: Students will be able to use a spreadsheet to analyze distance and time data and to create graphs to find velocity.

**Due:** Pages 1:164-165 (218 – 227) and the Topic 1 Section 6 Take Home Exam.

**Homework:** Pages 1:165-167 (228 – 236).

19 October 2023:

**No Class:** Physics does not meet on Thursday.

20 October 2023:

**In Class:** Momentum:

*p*=

*m v*

*p*= momentum

*m*= mass

*v*= velocity or speed

and Impulse:

*J*=

*F*= Δ

_{net}t*p*

*J*= impulse

*F*= net force

_{net}*t*= time

Δ = change

*p*= momentum

Expectations: Students will solve momentum and impulse problems.

**Due:** Pages 1:165-167 (228 – 236).

**Homework:** Pages 1:167-169 (237 – 252).

**Note:** 1^{st} quarter ends 9 November 2023.