The correct answer is C. Newton’s third law.
Newton’s first law states that an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.
Newton’s second law states that the acceleration of an object is directly proportional to the net force acting on the object, and inversely proportional to the mass of the object.
Newton’s third law states that for every action, there is an equal and opposite reaction. This means that when one object exerts a force on another object, the second object exerts an equal and opposite force on the first object.
For example, when you jump, your feet exert a force on the ground. The ground exerts an equal and opposite force on your feet, which propels you into the air.
The third law is often called the law of action and reaction. It is one of the most important laws in physics, and it has many applications in everyday life.