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physics test revisio
| Question | Answer |
|---|---|
| Newtons 1st law | Newton’s first law states that an object at rest stays at rest, and an object in motion stays in motion with the same speed and in the same direction, unless acted upon by an unbalanced (external) force |
| Newtons 2nd law | Newton's second law of motion defines the relationship between an object's mass, the net force applied to it, and its resulting acceleration. F = ma |
| Newtons 3rd law | Every force has an equal and opposite reaction |
| Formula for Weight | W = mg (mass x gravitational strength) |