Physics A-Level
Point-mass model
What Point-mass model means in Physics A-Level, as defined for OCR.
Definition of Point-mass model
Check what you remember
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Reference: OCR
A uniform spherical mass can be modelled as a point mass located at its centre.
Topics that use Point-mass model
- Point and spherical masses (OCR A-Level)
Related terms
- Critical damping
- Direction of gravitational force
- Escape velocity
- Field
- Field strength and line spacing
- Geostationary orbit
- Gravitational field outside and inside a sphere
- Gravitational field strength
Using Point-mass model in the exam
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