FIRST LAW OF MOTION

The First Law (Law of Inertia). Newton’s First Law states that an object at rest will remain at rest, and an object in motion will continue in motion with the same speed and in the same direction unless an external force acts on it. The tendency to resist any change in motion is known as inertia.

SECOND LAW OF MOTION

The Second Law of Motion relates Force to Mass and Acceleration (F=ma is the common abbreviation). The law states that acceleration will be directly proportional to the force acting on an object and will be inversely proportional to the object's mass. Simple examples of the Second Law are:

1. If you push a grocery cart, the harder you push, the faster the cart will accelerate.

2. If you try to lift a light weight with one hand and you can do so easily, it will be more difficult to lift a heavier object unless both hands are used.

For the Third Law of Motion: for every action, there is an equal and opposite reaction (F=ma). If you stand on a skateboard and push against a wall, the skateboard will move back in the opposite direction. Examples of the Third Law of Motion are:

1. When walking or running, you push against the ground and the ground "pushes" back against your foot.

2. When jumping off of something, you will come back down again because of gravity.

The significance of Newton’s Laws in our everyday lives

The laws of Newton help us better understand how cars travel on roads and the rationale behind wearing a seatbelt when driving a vehicle, as well as the method for designing sports gear. Engineers utilize Newton's Laws to create safe roadways, airplanes, and machines; Similarly, athletes utilize Newton's Laws for enhancing their athletic capabilities.