Balanced forces
When two equal forces push or pull a thing in opposite directions, they cancel and nothing about its motion changes: the forces are balanced. Forces in the same direction add up. What is left when all the forces are added together is the net force, and a thing at rest starts moving only when the net force is not zero, in the direction of the bigger force. In a tug of war the rope stays still while the teams pull equally, and moves towards the stronger team.
Depth 1 · Foundation
You know that equal forces in opposite directions cancel and nothing starts moving, that forces in the same direction add up, and that a thing moves the way of the net force when the forces are unbalanced.
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- 1
Foundation
You know that equal forces in opposite directions cancel and nothing starts moving, that forces in the same direction add up, and that a thing moves the way of the net force when the forces are unbalanced.
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