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AP Physics Topic 13-A Examples

About this Lesson

  • Type: Video Tutorial
  • Length: 17:45
  • Media: Video/mp4
  • Use: Watch Online & Download
  • Access Period: Unrestricted
  • Download: MP4
  • Size: 62 MB
  • Posted: 09/12/2010

This lesson is part of the following series:

AP Physics Homework Examples – Full Course (50 lessons, $29.70)
Electricity & Magnetism – AP Physics Homework (16 lessons, $14.85)

Advanced Placement (AP) Physics teachers explain how to complete homework problems in "Electric Forces and Fields." Each of the 4 tutorials explains a different problem or problems in detail, complete with equations, diagrams, and hints for successful Physics problem solving. Specific topics included in this lesson are: electrostatic force, superposition of the electrostatic force, comparing the electrostatic force with gravity, and electric fields. PDF files of the problems and solutions for the tutorials in this lesson are also included.
Applicable to AP Physics or Non-Calculus College Physics (and some lower level physics.)

Tutorials included in this lesson:
13-1: Electrostatic Force
13-2: Electrostatic Force and Superposition
13-3: Electrostatic Force and Gravitational Force
13-4: Electric Fields

The tutorials in this lesson are also part of the following series:

- "AP Physics Electricity & Magnetism Homework Examples" which includes 16 lessons (74 tutorials) in electric forces and fields, electric potential difference and potential energy, capacitance, electric current and power, resistance and electrical circuits, magnetic forces and fields, and induced voltage and current.

- "AP Physics Homework Examples – Full Course" which includes 50 lessons (230 tutorials) in all topics of Physics: Mechanics, Fluids, and Thermal Physics, Electricity and Magnetism, Waves and Optics, and Modern Physics.

Supplementary Files

  • Once you purchase this lesson you will have access to these files:
  • Problem_Slides_-_Topic_13-A.pdf Problem_Slides_-_Topic_13-A.pdf
  • Solution_Slides_-_Topic_13-A.pdf Solution_Slides_-_Topic_13-A.pdf

About this Author

Sioux Falls Physics Teachers
Sioux Falls Physics Teachers
50 lessons

Barb Newitt, Brad Newitt, and Jeff Berndt are the AP Physics Teachers in Sioux Falls, South Dakota. They have led their own students to great success in their classrooms, and now they're ready to be your "online tutors" for AP or College Physics! Their homework example videos make the often difficult subject of Physics easier to understand and are a valuable resource to any Physics student. Most videos are designed for AP Physics or College Physics courses, but some will apply to lower levels of Physics as well.


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Electric Forces & Fields
(Part A):

13-1: Electrostatic Force (at 0:10)
Determine the magnitude of the electrostatic force between a point charge of +3.0 C and a second point charge of +4.0 C if they are separated by 2.0 m.

13-2: Electrostatic Force and Superposition (at 1:52)
Determine the electrostatic force exerted on the charge q1 of +1.0 μC located at the origin in the diagram below. The charge q2 is +2.0 μC and the charge q3 is -3.0 μC.

13-3: Electrostatic Force and Gravitational Force (at 7:18)
Two pith balls, each with a mass of .15 g and identical positive charge, are suspended from two massless strings of length .30 m as shown below. Determine the charge on each pith ball if the strings form an angle of 60o with each other.

13-4: Electric Fields (at 17:45)
Determine the magnitude and direction of the electric field at a point 5.0 m from a point charge of +4.0 C.

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