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Unformatted text preview: Newton’s Second Law P HYS 2125-102 Abstract: This experiment explores the theory of Newton’s Second Law, and verifies it by studying acceleration of a mass as a function of the force applied to it. I ntroduction: Newton’s Second Law states that when force (F) is applied to a mass (m) it will experience a uniform acceleration (a), which creates a formula for force which is = . F ma In this experiment, we have a air track glider (m atg ) that is attached to a mass hanger (m h ) through a pulley system. The mass hanger will pull the glider with a force of = F mhg , this is derived from the previous force equation but substitution gravity for acceleration, because the mass hanger, being in a free fall, has the acceleration of gravity. The motion of the mass hanger pulling the air track glider is recorded using a photogate. The equation used to calculate the force of the entire system is + × = matg mh slope F . The experiment measures different accelerations using various values of m h and m atg . The results are then compared to Newton’s Second Law. Procedure: Set up the experiment according to figure 1 below. Level the air t rack carefully by adjust ing the leveling feet. You will know when it is level if the glider is sitt ing on the t rack without moving in either direction. Place 50-60 grams of mass sitt ing on the t rack without moving in either direction....
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