Physics GCSE
Newton's first law
What Newton's first law means in Physics GCSE, as defined for OCR.
Definition of Newton's first law
Check what you remember
Read the wording for your board, then hide it and explain Newton's first law in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
An object keeps a constant velocity unless a resultant force acts on it.
Topics that use Newton's first law
- Newton's laws (OCR GCSE)
Related terms
- balanced forces
- changing direction
- Circular motion
- constant velocity
- Directly Proportional
- Distance along the line of action of the force
- energy transfer
- Energy transfer between stores
Using Newton's first law in the exam
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