Newton's Second Law

Newton's Second Law - Newton's Second Law Karmen Best...

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Newton’s Second Law Karmen Best, [email protected] Al Ryan Py211L Section 208 Leslie Watkins Lab Performed: 02/19/08 Lab Turned In: 02/26/08

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Introcuction The objective of this weeks lab was to explore Newton’s second law which implores the conservation of energy and motion. Newtons second law is demonstrated by the following equation: Σ F = mass x acceleration To observe this law, we used a cart with certain mass acting on it at all times. At one point in time the mass was falling and pulling the cart and as mass was taken from the pulling mass it was placed on the cart. This was done so that the same mass was acting upon the total system at all times. By observing the time and velocity at which the cart passed through each photogate we were able to determine the acceleration at which the cart was traveling. To find acceleration, the following equation was used: . a = Δv Δt After finding the acceleration and the force, the two were plotted against each other and the resulting trendline equation was used to determine the experimental mass of the cart.
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