Lab-3 Dynamics Lab Report

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University of Windsor *

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03-64-140

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Physics

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Dec 6, 2023

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docx

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2

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Physics I Laboratory Faculty of Science, Ontario Tech University Lab Report PhyI-03: Dynamics Laws Student’s name__Kailash Nair__CRN__42337__Date__2023/10/19__ Glider mass: 0.190 kg; Hanger mass: 0.005 kg In Tables 1 and 2 below, M is the mass of the glider with or without extra masses; m is the mass of the hanger with any extra masses on it. Constant Net Force Table 1 Run M , kg m , kg Total mass, M + m , kg Acceleration, experiment a e , m/s 2 Acceleration, theory a t , m/s 2 % difference, 100%∙| a t - a e |/ a t #1 0.190 0.007 0.197 0.351 0.348 0.862 #2 0.290 0.007 0.297 0.223 0.231 3.46 #3 0.390 0.007 0.397 0.161 0.172 6.39 Net force, mg : 0.0686(N) Constant Mass Table 2 Run M , kg m , kg Net force mg , N Acceleration, experiment a e , m/s 2 Acceleration, theory a t , m/s 2 % difference, 100%∙| a t - a e |/ a t #4 0.210 0.007 0.0686 0.327 0.326 0.307 #5 0.200 0.017 0.166 0.805 0.767 4.95 #6 0.190 0.027 0.264 1.25 1.21 3.31 Total mass, M+m : 0.217 (kg) Linear Momentum, Impulse and Force on Glider Table 3 Run Force on glider T e , experiment, N Force on glider T t , theory, N % difference, 100%∙| T e - T t |/ T t #4 0.065 0.068 4.41 #5 0.164 0.153 7.19 #6 0.235 0.230 2.17 Compare the force on the glider values in Table 3 with net force values in Table 2 Kinetic and Potential Energy Table 4 Run Kinetic energy change K , kg m 2 /s 2 Distance l , m Work done W = T e l , kg m 2 /s 2 % difference, 100%∙| Δ K - W |/ Δ K #4 0.0135 0.210 0.0137 1.48 #5 0.0401 0.218 0.0358 10.7 #6 0.0781 0.302 0.0710 10 Lab Report PhyI-03: Dynamics Laws
Physics I Laboratory Faculty of Science, Ontario Tech University Conclusion: The main aim of this experiment was to establish Newton's Second Law of Motion using an apparatus that provides a near frictionless surface. A software known as Capstone was used to record and compare data of the conducted experiment under different conditions. The frictionless surface was first levelled, and a mass hanger was attached to the glider which was suspended by a pulley and several trials were run by adding weights to either the glider or the mass hanger. The first trial was done with no masses and on the second and third test masses of 50 g were added to the glider. By the third trial the glider weighed 0.390 kg with the additional weights. Making use of the Capstone software graphs were sketched by recording the velocity of the glider when it was moving on the approximate frictionless surface. The slope of the velocity time graph was taken which provided the acceleration of the glider when it was moving. In the second part of the experiment there was constant mass of 0.210 kg but the total additional mass of 20g was added to the mass hanger which produced greater acceleration of the glider. In addition to the increment in acceleration there was an increase in net force also. Errors can happen in any experiment and the reasons for errors in this experiment could be caused by leveling of the surface, friction and/or blocked holes. If the levelling of the surface is not right, it could alter the outcomes recorded that were meant to be taken down. There could be a possibility of drag which would have a negative impact on the outcome. Lastly, if there were blocked holes in the surface in which the glider was moving then there would have been frictional force since it with come in contact with the surface. In conclusion the goal of this experiment was to substantiate Newton’s Second Law of Motion using apparatus that provides a frictionless environment and also helped in understanding the energy conservation and transformation that take place when a force on an object in the system does work. This experiment confirmed that your understanding of the law was accurate, as it demonstrated that both mass and acceleration was indeed proportional to force. Furthermore, the experiment revealed that these two factors mutually affected each other resulting in the preservation of a constant net force. Lab Report PhyI-03: Dynamics Laws 2
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