These two forces are called action and reaction forces and are the subject of Newton's third law of motion. Formally stated, Newton's third law is: For every action, there is an equal and opposite reaction. The statement means that in every interaction, there is a pair of forces acting on the two interacting objects.
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Well I think B hope this helps
Speed is distance over time, learn that formula and look at the image
In a closed primary, only voters registered with a given party can vote in that party's primary.
The potential energy decreases while the kinetic energy increases.
