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Acceleration is the change in velocity over the change in time. As we know acceleration is a vector and can be positive or negative. In this video once the cart travels down the mini hill its velocity increases positively, making the acceleration positive.

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Kinetic energy is when an object has motion, Ke. An object has the most kinetic energy possible when it is near the end of motion. For this ride there will always be a small amount of gravitational potential energy since it is completely off the ground. As seen in the video the roller coaster has the most amount of kinetic energy once it reaches the bottom of the turn.

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Gravitational Potential Energy is the potential for an object to be acted on by gravity. An object has the most potential energy when it is highest off the ground. In the video, when the hat is tilted one side of the hat will be at its highest height. The riders at the top have the most potential energy possible.

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newton's first law states that an object in motion will remain in motion unless acted on by an outside force, and an object at rest will remain at rest unless acted on by an outside force. As seen in the video my friend brie was peacefully at rest, and would have remain that way, until I pushed her and applied an unbalanced force.

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Centripetal Acceleration is when an object's acceleration is directed towards the center. For centripetal acceleration is be present the object must be moving in a circular motion and have a "centripetal force". As seen in the video the swings are accelerating around the pole which is its pivot point, since the acceleration is directed toward the center it has centripetal acceleration.

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An object is in free fall when the only force acting on it is gravity. As seen in the video the badge is thrown in the air and then falls at 9.8 m/s^2. The only force on the badge is gravity.

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Simple harmonic Motion creates a sin graph and is characterized by a force under Hooke's Law. A swinging pendulum is a great example of SHM.

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Work is a change in motion(displacement) caused by a force. As seen in the video of me walking the force of friction on my feet is allowing me to walk which is a change in displacement, therefore work is being done.

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Acceleration is the change in velocity over the change in time. It also is a vector and can be positive or negative. Negative Acceleration does not have to only mean slowing down, the object could be moving in the negative direction based on the point of reference.For this video I made up positive and down negative therefore the coaster has negative acceleration.

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An impulse in physics is a certain force on an object for an amount of time. (J=F⋅Δt) In the video shown below the force of friction is being applied to the cart as it moves up the hill over an amount of time making it an impulse.