Newton S Law Of Motion Its Application In Sports

The law of acceleration is also known as the "Law of Resultant Force." In physical education, this principle is essential for understanding how forces affect the movement of objects and individuals. The law is one of Newton's three laws of motion and can be stated as follows:

Explanation: Newton's Second Law of Motion, often referred to as the Law of Resultant Force, states that the acceleration of an object is directly proportional to the net force acting upon it and inversely proportional to its mass. This relationship is expressed mathematically as F = ma, where F is the force applied, m is the mass, and a is the acceleration.

This law is crucial in many practical applications, such as calculating the amount of force needed to move a player in sports or determining the impact forces during collisions in activities like football or martial arts.

Options Analysis:

Law of inertia: This refers to Newton's First Law of Motion.

Law of action & reaction: This is another name for Newton's Third Law of Motion.

Boyle’s Law: This pertains to the gas laws and is unrelated to motion.

Law of Resultant Force: Correct, as explained above.

The question addresses a classical concept in physics, especially relevant in the context of Newtonian mechanics. When body 'A' exerts a force on body 'B', and body 'B' exerts an equal and opposite force on body 'A', it directly illustrates Newton's Third Law of Motion. This law is also known as the Law of Reaction. The correct application can be explained as follows:

1. Newton's Third Law states that for every action, there is an equal and opposite reaction.
2. Here, the force exerted by body 'A' on body 'B' is the action, while the force exerted by body 'B' on body 'A' is the reaction.
3. This pair of forces are equal in magnitude and opposite in direction.

Thus, the correct answer is the Law of Reaction.

A 400m race typically involves a combination of motions, making it an example of General motion. General motion is a combination of different types of motion:

1. Linear Motion: The runner moves along a straight or slightly curved path, as seen in the straight sections of a race track.
2. Angular Motion: Parts of the body like arms and legs rotate around joints, aiding in propelling the runner forward.
3. The combination of these motions creates General Motion, which describes most human movements as they are not purely linear or rotational but a mixture of both.

Hence, a 400m race is categorized under General motion.