A-Level Physics Specification

OCR A H556

Section 5.4.1: Point and spherical masses

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#5.4.1a

gravitational fields are due to objects having mass

#5.4.1b

modelling the mass of a spherical object as a point mass at its centre

#5.4.1c

gravitational field lines to map gravitational fields

#5.4.1d

gravitational field strength;
\(g = \dfrac{F}{m} \)

#5.4.1e

the concept of gravitational fields as being one of a number of forms of field giving rise to a force.

Learners will be expected to link this with section 6.2