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4th Grade Neville
Olympic skeleton
Skeleton is a sport where players hop on a sled face first. Also It was invented in Switzerland in 1882. The rules of skeleton are that a slider must ride head first, they get four tries in two days. The fastest rider wins. Second All you need is a sled, a frozen track, yourself, a helmet, and confidence. Skeleton is a fun and DANGEROUS sport!
Newton's first law says that balance forces are when two forces push on an object on opposite sides, and unbalance forces are when two forces push on an object on the same side. Newton’s first law also says that an object in motion will stay in motion until something stops it like in skeleton when you use your feet to stop the sled, and an object at rest will stay at rest until something moves it like in skeleton when you start sprinting to start [also you use a muscle force]
Newton’s 2nd law states that if you know how much it weighs [it’s mass] then you know how much force to put on it. Force is like a push or pull. Like in skeleton, when you start sprinting you are using a muscle force. Friction is like when you ride your skateboard on gravel and it makes it harder to move but in skeleton they use ice to have less friction. Mass is how many particles are in an object. In skeleton you and your sled have mass. acceleration is a change in velocity like in skeleton there are places where you go up and down and when you stop. In skeleton when you're sprinting you want more Force to accelerate yourself. When racing on a sled, friction between the sled and ice Makes them slow down only a little bit and it makes their body move faster. when you go up you can feel yourself going slower. In skeleton they use a muscle Force to turn but they can slow you down a little bit but they have to be precise when they turn or you will slam into the wall or fly off the track.
Newton’s 3rd law states that every action has an equal and opposite reaction. In skeleton Newton’s 3rd law applies when you're sprinting you're pushing back on the floor and the floor is pushing you back up which causes you to Sprint. And when you jump on the side gravity is pulling you down but the floor pushes you up with the same amount of force which causes you to bounce. When you push on something it will push you back with the same amount of force like when you pushed on the floor on your sled it bounced you back up with it matter force well if you like push on a desk then it will push you back the same about a force but it will only move a little bit because it has more mass.