7
Coulomb's Law Part 2 a.notebook 1 February 27, 2013 Feb 268:18 AM Coulomb's Law 2D Applications Feb 262:50 PM

Coulomb's Law 2D Applications - Berkner's Base for ...berkner.weebly.com/uploads/2/8/4/2/2842219/coulombs_law_ii.pdf · 4.1 m 2.0 x 106 C ... Assignment: Title: Coulomb's Law Part

  • Upload
    others

  • View
    10

  • Download
    0

Embed Size (px)

Citation preview

Page 1: Coulomb's Law 2D Applications - Berkner's Base for ...berkner.weebly.com/uploads/2/8/4/2/2842219/coulombs_law_ii.pdf · 4.1 m 2.0 x 106 C ... Assignment: Title: Coulomb's Law Part

Coulomb's Law Part 2 a.notebook

1

February 27, 2013

Feb 26­8:18 AM

Coulomb's Law

­ 2D Applications

Feb 26­2:50 PM

Page 2: Coulomb's Law 2D Applications - Berkner's Base for ...berkner.weebly.com/uploads/2/8/4/2/2842219/coulombs_law_ii.pdf · 4.1 m 2.0 x 106 C ... Assignment: Title: Coulomb's Law Part

Coulomb's Law Part 2 a.notebook

2

February 27, 2013

Feb 26­2:50 PM

Divide the total charge by the charge per electron to determine the number of electrons.

Feb 26­2:48 PM

Vector Nature of Coulomb's LawThe electric force is a vector, which means it can

be added, subtracted or broken into x and y

components like any other vector.

Mind your negative signs (for direction only!!!)

Math + Physics = FUN!!!

Page 3: Coulomb's Law 2D Applications - Berkner's Base for ...berkner.weebly.com/uploads/2/8/4/2/2842219/coulombs_law_ii.pdf · 4.1 m 2.0 x 106 C ... Assignment: Title: Coulomb's Law Part

Coulomb's Law Part 2 a.notebook

3

February 27, 2013

Feb 26­2:53 PM

Feb 26­3:07 PM

Horizontal Components:

Vertical Components:Use Pythagorean Theorem

Page 4: Coulomb's Law 2D Applications - Berkner's Base for ...berkner.weebly.com/uploads/2/8/4/2/2842219/coulombs_law_ii.pdf · 4.1 m 2.0 x 106 C ... Assignment: Title: Coulomb's Law Part

Coulomb's Law Part 2 a.notebook

4

February 27, 2013

Feb 25­8:47 PM

Example 2: Find the net electrical force on B.

A

B C3.20 m

4.1 m

­2.0 x 10­6 C 

­3.8uC     ­1.5 uC 

A→B

down on B

Feb 25­8:47 PM

B→C

left on B

Page 5: Coulomb's Law 2D Applications - Berkner's Base for ...berkner.weebly.com/uploads/2/8/4/2/2842219/coulombs_law_ii.pdf · 4.1 m 2.0 x 106 C ... Assignment: Title: Coulomb's Law Part

Coulomb's Law Part 2 a.notebook

5

February 27, 2013

Feb 25­8:47 PM

Draw Vector Diagram

Feb 25­8:47 PM

 Example 3:• Three point charged objects are arranged in a right angle as shown in the diagram.

a. The charge on object A is positive. Identify the sign of the charge (+ or ‐) on object

• i.    B.    (negative)

• ii.   C.     (negative)

Page 6: Coulomb's Law 2D Applications - Berkner's Base for ...berkner.weebly.com/uploads/2/8/4/2/2842219/coulombs_law_ii.pdf · 4.1 m 2.0 x 106 C ... Assignment: Title: Coulomb's Law Part

Coulomb's Law Part 2 a.notebook

6

February 27, 2013

Feb 25­8:47 PM

b. Determine the net electrostatic force acting on charge B.

Feb 26­3:06 PM

Page 7: Coulomb's Law 2D Applications - Berkner's Base for ...berkner.weebly.com/uploads/2/8/4/2/2842219/coulombs_law_ii.pdf · 4.1 m 2.0 x 106 C ... Assignment: Title: Coulomb's Law Part

Coulomb's Law Part 2 a.notebook

7

February 27, 2013

Feb 26­8:15 AM

Read WB p. 85‐86 TB p. 532‐6  Examples 10.3 to 10.6

Do WB p.87  5, 10, 15, 19

Assignment: