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Conceptual understanding: modelling gravitational force allows us to predict the circular motion of planets, within the limitations of classical mechanics.
Conceptual understanding: modelling gravitational force allows us to predict the circular motion of planets, within the limitations of classical mechanics.
Knowledge:
Knowledge:
6.1 - Circular Motion
- Period, frequency, angular displacement and angular velocity
- Centripetal force
- Centripetal acceleration
6.2 - Newtons law of gravitation
- Newton’s law of gravitation
- Gravitational field strength
Applications and skills:
Applications and skills:
6.1 - Circular Motion
- Identifying the forces providing the centripetal forces such as tension, friction, gravitational, electrical, or magnetic
- Solving problems involving centripetal force, centripetal acceleration, period, frequency, angular displacement, linear speed and angular velocity
- Qualitatively and quantitatively describing examples of circular motion including cases of vertical and horizontal circular motion
6.2 - Newtons law of gravitation
- 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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