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ABSTRACT:
The lab of one dimensional motion is a series of experiments that deal with different types of motion in a single direction. In the first experiment, one dimensional motion of a small cart on an air track is measured in a one photogate system. The acceleration was calculated by the infrared light emitting electrode of the photogate sensing the slacks on the picket fence. The calculation for gravity yielded 9.63 m/s^2, which is consistent with the accepted value of 9.8m/s^2. In the second experiment, acceleration of a cart traveling down a slight incline was measured with a two photogate method. Gravity was calculated and yielded a value of 8.7429, a bit lower than the accepted value of 9.8 m/s^2. The third experiment was*…show more content…*

The second length of time will be the time in between when the first photogate is blocked until when the second photogate is unblocked (deltaT12). The third time measured will be the time that the second photogate is blocked (deltaT2). The average velocity that it takes for the flag to pass through each photogate will be calculated by the change in the known distance of the flag divided by the time it takes to pass through the photogate in question. The acceleration of the cart can then be calculated by equation 1.2. A = V2-V1 / DeltaT12 Equation 1.2 The next experiment will be the measurement of acceleration due to a horizontal force, measured by a single photogate. The force will come from a weight hanging vertically from a string that runs through a pulley that is connected horizontally to the cart, measure by a single photogate. Figure 1.3:Horizontal Force cause by Hanging Weight The acceleration can be expressed by considering three free body diagrams. First the sum of the Y forces on the hanging weight. Ó F(y) = mg T1 = ma Equation 1.3 Notice that T1 is equal to mg ma. Next, evaluate the sum of the horizontal forces acting on the

The second length of time will be the time in between when the first photogate is blocked until when the second photogate is unblocked (deltaT12). The third time measured will be the time that the second photogate is blocked (deltaT2). The average velocity that it takes for the flag to pass through each photogate will be calculated by the change in the known distance of the flag divided by the time it takes to pass through the photogate in question. The acceleration of the cart can then be calculated by equation 1.2. A = V2-V1 / DeltaT12 Equation 1.2 The next experiment will be the measurement of acceleration due to a horizontal force, measured by a single photogate. The force will come from a weight hanging vertically from a string that runs through a pulley that is connected horizontally to the cart, measure by a single photogate. Figure 1.3:Horizontal Force cause by Hanging Weight The acceleration can be expressed by considering three free body diagrams. First the sum of the Y forces on the hanging weight. Ó F(y) = mg T1 = ma Equation 1.3 Notice that T1 is equal to mg ma. Next, evaluate the sum of the horizontal forces acting on the

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