Physics A-Level
Force–time graphs
What Force–time graphs means in Physics A-Level, as defined for OCR.
Definition of Force–time graphs
Check what you remember
Read the wording for your board, then hide it and explain Force–time graphs in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
A plot of force on the y-axis against time on the x-axis, where the area between the graph line and the time axis equals the impulse.
Topics that use Force–time graphs
- Newton’s laws of motion (OCR A-Level)
Related terms
- Action–reaction pairs
- Area under a graph
- Change in momentum and direction
- Resultant force and motion
- Safety applications of impulse
- Sign conventions in one dimension
- Constant-mass reduction to F = ma
- Force as a rate of change
Using Force–time graphs in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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