Newton's second law: F = ma
Change the resultant force and the mass to see the acceleration it causes.
Works in metric or imperial units.
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Questions students ask
What is a resultant force?
The single force that has the same effect as all the forces acting together. If it is zero the object stays still or moves at constant velocity.
What formula does it use?
F = ma: resultant force (N) = mass (kg) × acceleration (m/s²).
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