# Rigid body

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between body coordinates and movements/positions of figure skating. I will be investigating the relationship between the body’s initial and interim positions and the outcome of a figure skater’s trajectory during a jump as well as a figure skater’s angular momentum during counterclockwise rotational spins. A figure skater is trained to use a double axel, a jump with forward takeoff, with a split jump to create a parabolic leap in the air. A double axel contains an additional rotation in the air due to the forward takeoff. Assuming that there is no friction on the ice and no resistance in the air, every figure skater must be concerned about his maximum height, horizontal and vertical displacement and the speed required to perform a perfect jump with a double axel. A figure skater’s trajectory can be determined by the initial takeoff angle of the ice skate’s blade, initial velocity, and the initial height of the takeoff. The peak of the figure skater’s vertical displacement is also known as the figure skater’s maximum value due…

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The flips involves the jumper to first create a rotational motion around their centre of mass. This is done to create angular momentum which ensures the spin occurs and must have a net force greater than zero. The angular momentum occurs around the centre of mass for the dive, which is often around the belly button region on the body in a tight ball. Angular momentum is the product of angular velocity and rotational inertia. The momentum remains the same throughout the dive, however for the…

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to the blades. As a result of this gear reduction unit the angular velocity and acceleration of the shaft entering the generator is much greater than that of the shaft connected to the blades. The greater velocity and acceleration causes a greater number of revolutions in the turbine and effectively increases the power output of the turbine had that gear box not been installed, and had a direct transfer of mechanical energy into electrical energy of the generator. On the more detailed scale on…

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Energy and Planar Kinetics of a Rigid Body: Work and Energy. Kinetics of a particle: work and energy shows the particle moving when forces are applied to it and produces work and energy. Meanwhile under planar kinetics of a rigid body shows the rigid body on the plane when forces are applied and produces work and energy. There are similarities and differences between both of it. Kinetics of a particle Planar kinetics of a rigid body Similarities - Conservation of energy - Conservation forces…

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Unbalance is the most influential reasons of vibration on a rigid rotor. When designing high speed rotors and precise rotors, it is a important factor to be considered in the design. The way which used in the experiment is add the unbalance mass on the rotor, then, make whole system be balanced. The report has contained two tables which show the results collected from the experiment. It has included four diagrams, two tables and discussion section for results. Theory[1] Rigid Rotor:…

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Equilibrium of Rigid Bodies The main purpose of this tutorial is to understand how to take the information from the that is provided in the question and the picture that is provided, and use it to predict the motion of the board after it is released from rest and finding what is the angular acceleration of the board, while also finding the center of mass of the system. Finally, I would take all the information that I have in my answer and provide an explanation on how we got to the answer and…

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The similarities of Chapter 14(Kinetics of a Particle : Work and Energy) and Chapter 18 (Planar Kinetics of a Rigid Body : Work and Energy) No. Similarities Examples of chapter 14(Kinetics of a Particle : Work and Energy) Examples of chapter 18(Planar Kinetics of a Rigid Body : Work and Energy) 1 Both energy are scalar quantity The kinetic energy of a rigid body that undergoes planar motion can be referenced to its mass center.It includes a scalar sum of its translational and rotational…

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In Epstein’s writing, he mentions that sports are not ideal for a child’s growing body. Conversely, choosing a sport that provides an outlet for a child’s energy can greatly beneficial even for children as young as four. Sports like soccer and basketball provide an excellent aerobic workout by strengthening muscles and increasing heart rate (“’Coordination’”). Playing a sport also helps children to improve their attention and focus as well as motor skills (“’Coordination”’). It is certainly not…

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Freedom or Indulgent? Brooke Rohlfing Ethics as an Introduction to Philosophy December 1, 2014 My thesis is that Cephalus is correct when he says that it is better to be free from bodily desires than to indulge them. The term free refers to acting as one chooses without being restrained by an authority figure. A bodily desire is defined as a want taking control of a person’s body. Indulge means to give into desires in an overly disproportionate way. Cephalus’ best argument for…

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quickly made her a small bowl of her favorite soup, and packed my stuff and headed out the door. Although we lived in the luxury rich part of london there were dead bodies everywhere. Everybody just got used to walking down the street and having dead bodies around the corner. There was no more room for graves so they ended up just taking the piled up bodies and tossed them in a giant hole and added a small layer of dirt over the top. There wasn't even priests to say prayers for the people, and…

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