A-Level Physics OCR A H556

5.4.1: Point and spherical masses

#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

5.3.3

Damping

5.4.2

Newtons law of gravitation