Which law of newton does this describe?

A fireman turns on his hose and is knocked backwards.

This scenario is described by Newton's third law of motion.

Which law of newton does this describe?

A soccer ball will not move until a player kicks it.

This scenario is described by Newton's first law of motion, also known as the law of inertia.

This scenario can be explained by Newton's third law of motion, which states that for every action, there is an equal and opposite reaction. When the fireman turns on the hose, the water is forced out of the hose with an equal and opposite force, pushing the fireman backwards.

The described situation can be attributed to Newton's third law of motion, also known as the law of action and reaction. According to this law, for every action, there is an equal and opposite reaction. When the fireman turns on the hose and water starts flowing out of it, the water exerts a force in the forward direction. As a result, an equal and opposite force is exerted on the fireman, propelling him backward.