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Newton's Laws of Motion Project

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Isabella Ip

on 18 October 2012

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Transcript of Newton's Laws of Motion Project

Newton's Laws of Motion Project Figure skating Newtons Second Law Newtons Third Law Newtons third Law Explain.... Figure Skating Explain.... Figure Skating.... Newtons second Law Newtons First Law of Motion Real life example. Figure Skating Newtons First Law An object in motion will stay in motion unless acted upon by an outside force. A object at rest will stay at rest until acted upon by an outside force. In Newton’s first law it says that an object in motion tends to stay in motion until it is acted upon by another force. This concept can also be known as inertia. Which is why skating shows this law, a skater’s motion is not being acted upon by a big or powerful enough force of friction, so they tend to stay in motion until they use force to stop the motion. But if there were really no friction on the ice at all then skating would be impossible, because the skater would never be able to push off which causes the motion. Also without this friction the skater would not be able to stop themselves. Newtons second law of motion is Force = Mass x acceleration. What this law means is that the more mass an object has, the more force is needed to make it move. The less mass that an object has the less force is needed. Say that there is a 150 pound person, this person would probably have to put less force on bringing herself into the air than a 300 pound person. Every action has an equal and opposite reaction. when every you are on still and not moving the forces acting upon you would be balanced because the force of gravity and the force that the ground is pushing up on you is balance so you don't move. But at the same time when you walk the forces are unbalanced so you begin to move. Meaning that in the direction that you move there is more force there than in the opposite direction. Project Created By: Isabella Ip Figure Skating The sport of figure skating is basically a person dancing and jumping on ice with a pair of boots that have a blade at the bottom. These skates tend to need to be sharpened so that they will be able to not fall when skating. Although the sport and art of figure skating looks so graceful, easy, this sport is not as easy as it looks. In fact this sport consists of many challenging spins, flips, jumps, and other intricate and difficult moves. Skating is separated into several different categories, like freestyle, pairs, ice dance, and synchronized skating. These different categories are found in the winter Olympics. Usually for freestyle and pairs the program is usually split into two sections the long program and the short program. These events can be scored by the "technical merit" (in the long program), "required elements" (in the short program), and "presentation" (in both programs) the scores from each program ranks from 0.0 to 6.0. Bibliography -http://en.wikipedia.org/wiki/Figure_Skating It is Newtons third Law of motion that allows the skaters to move across the ice, When they push off against the ice, or "stroke" with their skates, they are applying a force down and back against the ground(The action force). The ground just pushes right back, giving a force forward and up that propels the skaters into a glide or jump, depending on the direction of the force that they applied(which is the reaction force). http://www.britannica.com/EBchecked/topic/206646/figure-skating http://www.livescience.com/6120-physics-figure-skating.html
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