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Laws: Newton’s law of gravitation and the laws of mechanics are the foundation for deterministic classical physics. These can be used to make predictions but do not explain why the observed phenomena exist.

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• Newton’s law of gravitation

• Gravitational field strength

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• Describing the relationship between gravitational force and centripetal force

• Applying Newton’s law of gravitation to the motion of an object in circular orbit around a point mass

• Solving problems involving gravitational force, gravitational field strength, orbital speed and orbital period

• Determining the resultant gravitational field strength due to two bodies

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How satellites stay in orbit as explained by SA Space School's Tony

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How satellites stay in orbit as explained by SA Space School's Tony

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Comment on what interesting things you learned today.

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Comment on what further information you going to find out later.