Running is a natural form of human locomotion. To many, running is an essential aspect of most sports and is also a simple way that requires little to get exercise anywhere. But because many people have adapted to improper forms of running over time, numerous physical injuries are the results. With the help of understanding the physics behind running, people can learn to run in such a way that expends less energy from the body. Keeping physics in mind may also lead to less injuries and effortless running. Remember, physics can be very helpful when running!
External Forces When Running
According to mechanical physics, a force is an effect that may cause a body to accelerate. Also as stated in Isaac Newton’s second law of motion,
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Gravity
Any body with mass has gravity and any two bodies with mass will have a gravitational pull on each other. In general, the magnitude of the force of gravity between two bodies is given as :
F = GMm / d
where G is a gravitational constant; M is the mass of one body; m is the mass of the second body; and d is the distance between the center of mass of each body.
On Earth, this magnitude of gravity is approximately 9.81 m/s and is always pulling vertically down toward the Earth on the runner. The reason the gravity vector is always vertically down and not up toward the runner is because the mass of Earth is so massive compared to the runner. Thus, the runner will feel more of a pull from Earth than Earth feels from the runner.
Normal Force
When running, it is important to not fall through whatever makes up the running path or area. The force responsible for this is called the normal force. When a runner’s foot comes in contact with the ground, the ground exerts a force upward preventing the runner to fall through. The normal force always points up toward a body from the other object or body it is in contact with.
Friction
The purpose of running is to be able to change positions in the horizontal direction quickly. This would be difficult to achieve with the absence of friction. When a runner’s foot comes in contact with the ground, friction occurs between the two objects.
In the book Born to Run, McDougall’s purpose is to inform and educate the reader in matters of the running world. He seeks to prove that running can be an inspirational activity in physical fitness and doesn’t require injury as part of your running journey. “And all because in January 2001 I asked my doctor this: ‘How come my foot hurts?’” (8). While McDougall’s initial purpose was to seek out if humans were born to run “…why should every other mammal on the planet be able to depend of its legs except us?”(13), he later develops his purpose into a more complex
the planets fall around the Sun. Each of these objects balances the Sun 's force of gravity
Running is a metal sport, no doubt. Training and preparing, also plays a pivotal role in a runner's ability, but can be deemed worthless without a strong mental game. I run cross country and
Each culture uses the same techniques to perfect their running form and each one is successful in their own way. Running may not always be the fun thing to do, but it is a great way to stay healthy. Also, it makes you stronger both physically and mentally. Generations and generations of people have been running for years, and it has evolved into something unimaginable. As noted on Pinterest, ¨Running trains me to be a stronger person. Running trains me to refuse to allow my environment to determine my actions. I have never breathed so hard, felt so strong, or faced such challenge as when I am running. Running trains me to always keep
Running is a good form of aerobic exercise, and there are several benefits for both the body and the mind.
Dr. Delp’s research analyzes muscle movement, structure, and purpose with the use of model simulations mechanisms and other software technology. In Running with a load increases leg stiffness, it is identified that added loads to the body impacts running posture, causing crouching of the body, and does contribute to higher leg stiffness. In line with Dr. Delp’s talk today of the “Dynamics of walking and running,” a comparison is established between both types of movement and the authors delve into how each are impacted when under a load (ranging from 10-30% body fat). Subjects walking and running under a load, compared to zero load, were to found to have longer ground
Running, it is the simplest of movements: right foot, left foot, right foot, and the simplest of actions: run, relax, and breathe. Many individuals participate in this form of exercise because they enjoy how good it makes them feel, they enjoy feeling the strength of their body while they run, and they enjoy using it as a way of relieving their stress. There are many other factors to take into consideration that effect a persons running such as, the type of footwear they are using, the distance they are running, and the speed of which they are running at. The objective of the main article was to research and compare the differences in stride length, hip, knee and ankle angles in runners when running two different conditions, shod and barefoot, also while running at two
injuries, it for your own protection, its correction to your feet. Runners should wear shoes because it won’t cause injuries to your feet.
Also, more separation distance will result in weaker gravitational forces. So as two objects are separated from each other, the force of gravitational attraction between them also decreases. This law is still accepted today. Gravity is everywhere. Therefore, Newton’s theory of gravity is an important part of Newton’s
When absorbing ground reaction forces during physical activity, rather than using the muscular prime movers of the lower extremity, females act on the use of bony configuration and articular cartilage and ligaments to absorb these forces (4). Newton’s third law states that for every action, there is an equal and opposite reaction. In any action of sports whether a soccer player makes a cut on the field, or a basketball player lands from grabbing a rebound, the reaction force is actually greater than an
Europa Report Scott An One of the scientific aspect that Europa Report displayed correctly was gravity. The Newton’s law of universal gravitation states that every point mass attracts every other single point mass by a force. The force is proportional to the product of the two masses and inversely proportional to the distance between them squared. The equation is as follows, g=G m_ /r^ where g is the acceleration of gravity, G is the gravitational constant which is 6.673 x 〖10〗^(-11) N〖(m/kg)〗^2, m_1 is the first mass and r is the distance between the masses. We measure the force of gravity of Europa by using m_1 as the mass of Europa, and r is the radius of Europa.
What goes up must come down. That's why running is a high-impact activity. Each time they land, runners subject their bodies to a stress equal to about three times their body weight. In just one mile, a typical runner's legs will have to absorb more than 100 tons of impact force. It's a testament to the human body that running can be safe and enjoyable.
All of these require energy, and energy is what physics is all about. There is kinetic energy, potential energy, conservation of energy, velocity, acceleration, mass, force, and gravity. Energy gives you the ability to do work. Energy is everywhere in nature
Although there are some negatives with running, there are also many positives. Many people run because of the health reasons. It is good for the heart and lungs and people run in the fresh air. Running outside rather than inside is good for you too because of the fresh air. Running also relieves tension, by running, people can think about their problems without having to worry about anyone hearing them. They can think about whatever
Moving from one place to another is a necessity for almost every living organism. Whether it be sliding, walking, jumping, crawling, or flying, movement is bound to happen sometime. Humans like to move from place to place quickly without doing any work. Since running is work, humans generally avoid it if possible. There tends to be some unfavorable expression like a grimace or a sigh accompanying the quote, “I think I have to go running.” Although hated among many people throughout the world, the positive sides of running can be enough to turn the lazy into the hardworking. Running is an excellent choice for physical and mental enhancement because it keeps one active, relieves stress, and is a good self-esteem booster.