# Physics Lab Report Lab 1 Problem 4

1092 words - 4 pages

Sarah WeisenbergerPHYS 1301W Lab 1 Problem 4Hunter Glasrud, Keith Min, Joseph WheatonSeptember 16, 20144934842Lab 1 Problem 4: Motion Down An Incline With An Initial VelocitySarah WeisenbergerSeptember 16, 2014Physics 1301W, Professor: Wynveen, TA: StraubAbstractThe motion of a car on a one-dimensional track was studied. The track had a slight incline as to allow the acceleration of gravity to produce a minor component to the track. The car was both released, with a zero initial velocity, and propelled, with an initial velocity, while the car's motion was recorded by a video camera. The motion of the car was then analyzed, using the recorded videos, to test the actual car's motion against the hypothesis of constant acceleration. Using the estimation of acceleration due to gravity,, it is probable to estimate what the acceleration and velocities should experimentally be close to. Then once the experiment is completed, the experimental values are compared to the mathematically solved values.IntroductionAll quantifiable objects have a force acting upon them, some by gravity. Gravitational force yields an acceleration on all objects on the Earth's surface, the force is sloping towards the core of the Earth. An important portion of gravity that all should know is that the force provided by gravity is proportional to the mass of the object. An object put a force on another object, and the second object puts an equal but opposite force back on the original object. However, the force acting from the cart onto the track will not be exactly equivalent to the gravitational force, due to the degree of inclination. The acceleration of the cart is influenced by the cart's mass, the height of the ramp, the degree of inclination, initial velocities, and all of the forces acting on the cart. To analyze the motion of a car traveling down an inclined plane with nearly negligible friction, it is best to know that the approximate value of acceleration at Earth's surface is 9.8 . Start the first trial with a zero initial velocity, by releasing the cart down the incline without pushing or influencing the acceleration. For the second trial lightly tap the cart down the ramp in order to provide an initial velocity of the car to test how the motion demonstrates a constant acceleration; with the zero initial velocity as a comparison chart.PredictionIt is predicted that the acceleration of a car on an inclined plane is dependent upon the initial velocity.ProcedureIncline the track at an angle to the table (the horizontal surface) by placing thick wooden boards under one edge of the track. Measure the lifted edge from the table top to the bottom of the track. Also measure the length of the track, from the wooden lifts to the edge of the track that is touching the table. Therefore, the angle of incline can be determined bylhPlace the cart at some point on the track, and record the marking. Release the cart, while starting the timer recording how long the cart takes to travel...

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