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Unformatted text preview: Net Force (N) Acceleration (m/s 2 ) Acceleration (m/s 2 ) Mass (kg) MAPUA I NST I TUTE OF TECHNOLOGY DEPARTMENT OF PHYSICS PHY10L/A5 GRAPHS Part A. Constant mass, Changing Net Force INTERPRETATION By inspection, the net force –acceleration graph has an increasing slope because the graph is going towards the upper right of the coordinate plane. By using the principle that slope is rise over run, we could say that the slope of the graph is + 1m1 m2 , where m 2 is constant. Thus, by integrating, the graph is a curve with inverse logarithmic equation. The graph also has no intercepts because there is no trial that no mass associated, regardless if it is from the cart or from the hanging object. If it is extended, its intercepts is at the origin. Thus, if there is no net force, there is also no acceleration. As we increase, the net force, the acceleration is getting bigger which is favourable to the Newton’s Second Law. E103PROJECTILE MOTION Prof. Bernard Aguirre MAPUA I NST I TUTE OF TECHNOLOGY DEPARTMENT OF PHYSICS PHY10L/A5 Part B. Changing Mass, Constant Net Force INTERPRETATION In making a cart massacceleration graph, it is observed that the graph is decreasing (moving towards the lower right) as x variable increases. Its slope is negative. This graph has an inverse power (xn ) equation. Thus the graph has asymptotes at x and y axis. This also follows the rule that as the resisting force, mass of the cart increasing, the resulting acceleration is decreasing which is again, favourable to the Newton’s Second law of Motion. E103PROJECTILE MOTION Prof. Bernard Aguirre MAPUA I NST I TUTE OF TECHNOLOGY DEPARTMENT OF PHYSICS PHY10L/A5 INTERPRETATION OF RESULTS A force is simply a push or a pull. Various sources of this are gravitational, electrical, magnetic, chemical, or biological which has a units of Newtons, N. The gravity of the earth exerts a pulling force on any object (mass) near its surface. This force is equal to 9.8 Newtons of force on each kilogram of mass. This causes objects to be accelerated to the direction of this force – toward the center of the earth. Mass is a resistance to movement or a change in velocity. It is entirely different from weight which is the result of the force of gravity. Mass could exists without gravity. Thus, in outer space one would be weightless, but not the force of gravity....
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 Spring '11
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 Physics, Acceleration, Force, Mass, net force, TEC H NOLOGY DEPARTMENT OF PHYSICS

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