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13.2
understand that a gravitational field is an example of a field of force and define gravitational field as force per unit mass
represent a gravitational field by means of field lines
Gravitational force between point masses
Cambridge International AS & A Level Physics 9702 syllabus for 2022, 2023 and 2024. Subject content
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13
13.1
understand that a force of constant magnitude that is always perpendicular to the direction of motion causes centripetal acceleration
understand that centripetal acceleration causes circular motion with a constant angular speed recall and use a = rω2 and a = v2 / r
recall and use F = mrω2 and F = mv2 / r
Gravitational fields
Gravitational field
Candidates should be able to:
1 understand that, for a point outside a uniform sphere, the mass of the sphere may be considered to be a point mass at its centre
2 recall and use Newton’s law
