| Gravitational and Electric Fields |
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Useful
websites
Notes, questions and animations from The Physics Classroom
Electric
Fields
Notes and questions from The Physics Classroom
Comparison of Electric and Gravitational Fields Thinkquest and SCool
How Cavendish measured G
and some
background on other methods |
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Animations
Project a cannon from a mountain top. Read more about Newton's ideas here
Weight
and Gravity
Read about and see animations of different types of satellite orbit
Orbiting
Satellite View field lines or equipotentials for a selection of charge arrangements here or field lines and the motion of a small charge for simple charge arrangements here.
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Lesson
activities
Analyse the data to study the gravitational field strength and potential away from the Earth, instructions here
Potential gradient and field strength Use this dataset to investigate the relationship between gravitational field strength and potential gradient, instructions.
Gold leaf Electroscope Work through animations to explain Kepler's Laws
Investigate how the gravitational force varies with mass and separation near a planet.
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Online
Tests
Try this wide ranging quiz, you will need some paper and a pen for working out. Useful feedback given.
Good preparation for the multiple choice section with helpful feedback at the end.
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Teacher
notes
Gravitational Fields PPT
Electric fields PPT |
