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newtons second law report

newtons second law report - THERON J BARRON MEREDITH THOMAS...

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PHYSICS 211 LAB MARCH 2, 2009 SECTION 001 (MON. @ 12:20-2:20) NEWTONS SECOND LAW Abstract The objective if this lab was to investigate the relationship between the acceleration of objects of different mass due to gravity. We did this by letting varying weights pull on a cart, and measure the time it took this cart to move approximately 50 centimeters. We determined that the slope of the line that represented our data was equal, or closely equal, to the mass of the cart which is 491.4g. We manipulated the basic equation [d= (1/2)*a*t^2 to calculate a, which is acceleration. A=2*(d/t^2), and it is measured in m/s^2.
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INTRODUCTION Newton’s second law of motion explains how the velocity of an object changes when it is subjected to an external force. The law defines a force to be equal to change in momentum per change in time. For an object with a constant mass, the second law states that the force is the product of an object's mass and its acceleration: F = m * a For an external applied force, the change in velocity depends on the mass of the object. A force will cause a change in velocity and a change in velocity will generate a force. This is important today because the motion of an aircraft resulting from aerodynamic forces and the aircraft weight can be computed by using the second law of motion. We were first introduced to this concept in class when Dr. Tedeschi showed us that infamous video clip of a hammer and a feather. The equipment we used were all standard devices: Balance, Pasco cart and track, bubble level, 1.1-meters of string w/ paperclip, timer w/ 2 photogates, 4-10g and 1-5g masses, pulley, and a small plastic fence. Procedure:
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newtons second law report - THERON J BARRON MEREDITH THOMAS...

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