Physics A-Level
Force as a rate of change
What Force as a rate of change means in Physics A-Level, as defined for OCR.
Definition of Force as a rate of change
Check what you remember
Read the wording for your board, then hide it and explain Force as a rate of change in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The net force equals the change in momentum divided by the time interval over which it occurs.
Topics that use Force as a rate of change
- Newton’s laws of motion (OCR A-Level)
Related terms
- Action–reaction pairs
- Area under a graph
- Change in momentum and direction
- Force–time graphs
- Resultant force and motion
- Safety applications of impulse
- Sign conventions in one dimension
- Constant-mass reduction to F = ma
Using Force as a rate of change in the exam
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