Newton's first law
What Newton's first law means in Mathematics A-Level, as defined for AQA, Pearson Edexcel, WJEC.
Definitions of Newton's first law
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Reference: AQA, Pearson Edexcel
A body remains at rest or moves with constant velocity unless acted on by a resultant force.
A body remains in a state of rest or uniform motion in a straight line at constant speed unless acted upon by a non-zero resultant force.
Topics that use Newton's first law
- R: Forces and Newton’s laws (AQA A-Level)
- Forces and Newton’s laws (Pearson Edexcel A-Level)
- Forces and Newton’s laws (AS Unit 2: Applied Mathematics A) (WJEC A-Level)
Related terms
- force
- Newton's second law
- Newton’s third law
- Resultant force
- weight
- coefficient of friction
- Equilibrium
- inextensible string
Using Newton's first law in the exam
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