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The basic law

The basic law

Two masses attracting each other gravitationally, with centre-to-centre separation and force arrows labelled Any two objects with mass attract each other gravitationally. For everyday objects the force is tiny, but for planets and stars it controls motion and acts along the line joining their centres.

Newton's law of gravitation Lesson

  1. A Level
  2. /Physics
  3. /Newton's law of gravitation

Step-by-step lessons on OCR A A Level Physics Newton's law of gravitation. Each one builds up to exam-style questions. Physics is one of the most mathematically demanding A Levels -- at least 40% of the marks across the three papers require maths skills at Level 2 (GCSE) standard or above, so build calculation and graph-handling fluency alongside the conceptual content from the start.

Lessons