Physics A-Level
Force–time relationships
What Force–time relationships means in Physics A-Level, as defined for OCR.
Definition of Force–time relationships
Check what you remember
Read the wording for your board, then hide it and explain Force–time relationships in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The impulse of a force is the product of the force and the time for which it acts: impulse = FΔt.
Topics that use Force–time relationships
- 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–time relationships 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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