The result is that they apply an equal and opposite force in response.

The idea that any one force has an opposite force.

Therefore, two nearby particles need not experience equal and opposite forces.

First, just because two objects meet does not mean they are exerting equal and opposite forces on each other.

Great movements, as by some law of physics, seemed to provoke an equal and opposite force.

Yin and yang are opposite forces that work together to form a whole.

Fortunately there's a more than equal and opposite force at your disposal.

These must not be looked as opposite forces or it will fail.

He was able to maintain a fine line between these opposite forces.

Two opposite forces crashed together, no quarter asked or given, and blood spilled on the dusty ground.