Week 4: 27 September to 1 October 2021

27 September 2021:

**In Class:** Scalar and Vector Quantities. Minimum and Maximum Vector Sums.

Expectations: Students will be able to explain the difference between scalar and vector quantities and to eliminate incorrect vector sums based on the minimum and maximum possible vector sums.

**Due:** Page 1:142 ( 65 – 69 ).

**Homework:** Pages 1:142-143 ( 70 – 77 ).

28 September 2021:

**In Class:** Finding Resultants Graphically (parallelogram and triangle methods).

Expectations: Students will be able to solve vector addition graphically using parallelogram and triangle methods.

**Due:** Pages 1:142-143 ( 70 – 77 ).

**Homework:** Pages 1:143-144 ( 78 – 81 ).

29 September 2021:

**In Class:** Finding Resultants of Perpendicular Components Algebraically.

*c*

^{2}=

*a*

^{2}+

*b*

^{2}

*c*= hypotenuse

*a*= one leg

*b*= second leg

Expectations: Students will be able to solve for resultants of perpendicular components.

**Due:** Pages 1:143-144 ( 78 – 81 ).

**Homework:** Pages 1:144-146 ( 82 – 94 ).

30 September 2021:

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

1 October 2021:

**In Class:** Resolving a Vector into Vertical and Horizontal Components.

*A*=

_{y}*A*sin θ

*A*=

_{x}*A*cos θ

*A*= Any vector

*A*= Vertical component of

_{y}*A*

*A*= Horizontal component of

_{x}*A*

θ = Angle from

*A*to horizontal

Expectations: Students will be able to resolve a vector into vertical and horizontal components algebraically.

**Due:** Pages 1:144-146 ( 82 – 94 ).

**Homework:** Pages 1:147-148 ( 95 – 101 ).

**Lab 2a:**

Finish the
Orienteering Lab (graphical vectors) Part a.

Expectations: Students will solve for the resultant of vectors graphically.

**Note:** 1^{st} quarter ends 12 November 2021.