Physics is a pretty interesting subject and at its very core lies the genius of Sir Isaac Newton. There are three such laws of motion which form the very backbone of classical physics—they define the behavior of a moving object influenced by other forces. Do you know that Newton's laws of motion are not there just in a scientist's lab? They occur all around us every single day. Whether it is driving in your car or simply kicking the soccer ball, Newton's laws apply from concept to super-concept in life. So let's dive into these laws with the help of a microscope by subjecting ourselves to practical application in a palatable manner.
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Before we look at some real life applications of Newton's law of motion, lets recap the fast read to give us an idea to what he's saying.
Newton's first Law: An object will continue remaining at rest or be in uniform linear motion until force is applied. Otherwise, you guys know it like the law of inertia.
Important learning outcome: Objects resist changes in their state of motion. Think about a ball at rest until you kick that ball.
This law can also be expressed as words: "Acceleration of an object is proportional directly to the net force acting on it, inversely to its mass." Otherwise: "Force equals mass times acceleration (F = ma)".
In other words, the more force put on an object the more it gains in terms of acceleration but the more it gains in mass, the more work would have to be done just to start its push.
Law of Action and Reaction
For every action there is an equal and opposite reaction.
What all these will learn is that with Newton's third law of motion, for all the amount of push applied to an object it is understood that that very object would pull you with equal force in magnitude. Ever bounced off from the dock and seen the latter move back? This is a portrayal of the third law of Newton.
Law of inertia is a bit theoretical unless presented as a string of examples to ordinary life in practical physics. These are the application of the day-to-day practice of the first law brought to existence by Newton.
You are sitting in a moving car. Your driver brakes suddenly. You jerk forward. Why? It is just because your body will not like losing the same speed it has had. That is where seatbelts come in to nullify this inertia and save you.
How often do you push heavy furniture? The first thing that happens is that it resists the push because of its inertia. Once it is moving, however, it pushes back less because the inertia of the thing opposes any change in its state of motion.
For example, consider football or cricket. There it is; nobody displaces it; so there it remains. That is quite an approximate use of Newton's first law.
The expression from Newton's second law was about the relation between force/mass/acceleration. A couple of examples of force and motion are given below:
The sooner one can start moving at higher velocities the more force one can apply on the pedals. The larger velocity at which a bicycle accelerates depends on the extent to which one pumps the pedaled bicycle. The larger the mass involved with the bicycle as well as the rider, the greater force that has to be produced in order to achieve the same acceleration.
This is the scientific explanation of how sports cars-the lightest machine in the street-accelerates faster as compared to giant trucks. This relation between force and mass regarding acceleration in this context holds.
Heavy thrust produced between the rocket launching engines which creates a mass and powerful thrust breaking the gravitational constraint of the earth.
Most of those events which this man meets during daily life might be explained via it. Of course, sometimes rather ordinary, but very banal use cases for Newton's laws appear in these things.
for example, the pullings, or pullings apart, are equal in magnitude, in opposite directions along your forward path as you move your legs swimmingly to pull yourself off the ground, or if that weren't enough then without some force of reaction equal in magnitude and opposite in direction acting to oppose your movements at every point in your motions you could not have swum even an inch.
It is the force of movement each time the hands push back into the water with a forward position, that's what propels you forward and it keeps pushing you through the water pool.
It is the force that you exert unto the floor which makes you jump forward to shoot after a force equal has repelled to shoot you up when you are already jumping in basketball.
From flying in the air to car traveling, the Newton's law of motion goes pretty basically well in building safety and efficient travelling machines. An engineer makes all the calculations regarding it whether one needs stopping distance to mileage.
Applying Newton's laws may be the competitive edge for an athlete. For example, the sprinters warm up their starting thrust-Newton's third law-and the cyclists fine-tune the gears to attempt an optimal trade-off between force and acceleration-Newton's second law.
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The first law of motion is just outside the simple postulates; as he takes the base of his kind in that any examples actual physics can exist anywhere. In other words, that's a reason the ball would absolutely just hang there in space doing absolutely nothing, for that body sometime pushes this ball some. Again, otherwise its opposite, with action for hand in hand movement, this results in the opposing reaction with that.
For students aged 16-30, understanding these laws can make physics feel less intimidating and more relatable. If you’re struggling with your physics assignments, remember that help is just a click away. Seeking professional physics assignment help can not only improve your grades but also deepen your appreciation of how science shapes our daily lives.
The next time you raise the garage door to get inside, ride your bicycle, or just watch that rocket blast into space, you will realize what real beauty exists behind Sir Newton's work.