Physics
Newton's Third Law Calculator
Find the equal and opposite reaction force.
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For every action there is an equal and opposite reaction.
The math behind it
The reaction force has the same magnitude as the action but points in the opposite direction.
Worked Example
Push a wall with 40 N and it pushes back with 40 N.Frequently Asked Questions
Do the forces cancel out?
No — they act on different objects, so neither cancels the other.
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