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The Physics Behind Cheerleading
Transcript of The Physics Behind Cheerleading
By: Leslie Valdez And Andrea Mojica
What is Cheerleading?
Cheerleading is the performance of athletic skills, jumps, dance and/or chanting to gain a response from spectators at an event.
How does Momentum relate to Cheerleading?
How does Force relate to Cheerleading?
Momentum is the quantity of motion of a moving body, measured as a product of its mass and velocity.
Force is any interaction which tends to change the motion of an object.
How does Gravity relate to Cheerleading?
Gravity is the force that attracts a body toward the center of the earth, or toward any other physical body having mass. For most purposes Newton's laws of gravity apply, with minor modifications to take the general theory of relativity into account.
How does Potential Energy relate to Cheerleading?
Potential Energy is the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors.
How does Kinetic Energy relate to Cheeleading?
Kinetic Energy is energy that a body possesses by virtue of being in motion.
Gravitational Potential Energy
How does GPE relate to Cheerleading?
Gravitational Potential Energy is energy an object possesses because of its position in a gravitational field
Believe it or not there is momentum when preforming a stunt. A person doing a jump needs to have upward momentum. When someone is doing a tumbling sequence, they need specific momentum forward, backward, or out diagonally in order to perform the trick correctly and without flaw. Even during jumps, momentum is needed. After the force of the push-off from the floor, one must have upward momentum so they're able to execute the jump correctly.
A large part of stunting is the force needed to get the flyer into the air when doing basket-tosses, kick-arches, or some other form of pushing the flyer into the air. Force is used to pick them up from the ground as well. In some stunts, there is only one base and one flyer. Occasionally, the flyer balances on one foot while the base holds them up with one hand. This requires a lot of force to push the flyer up and keep here there, especially since the acceleration of gravity is pulling the other way.
One way gravity has to be manipulated in this sport would be through tumbling. When a cheerleader is going to do a round-off, back-handspring, or something as simple as a cartwheel or dive roll, her/his center of gravity (usually around the bellybutton area) is changing.
In cheerleading when one gets to the peak of their jump and hits the motion, they have potential energy. A person needs to bend their knees in order to perform the jump, they had elastic potential energy. Any time a trick is performed, there is potential energy at the peak.
After preforming any jump stunt, the flyer converts all the Gravitational Potential Energy into Kinetic Energy when coming down. For example basket toss, kick twist, kick arches, and tumbling has GPE being converted into Kinetic Energy.
When preforming stunts the flyer needs to reach its maximum height in order to preform the stunt. The bases need to help the flyer to reach her maximum. Most of the stunts are off the ground which means that the cheerleaders have Gravitational Potential Energy.