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School

Santa Rosa Junior College *

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Course

140

Subject

Aerospace Engineering

Date

Dec 6, 2023

Type

docx

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3

Uploaded by joubink

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1. Which trials gave you an experimental acceleration due to gravity that is closer to the accepted acceleration due to gravity? From the provided data, the accepted acceleration due to gravity is 9.80 m/s2. Comparing the experimental values from the trials to this accepted value: * Trial :9.63 m /s * Trial2:10.11 m/s” * Trial 4:10.88 m /s’ * Trial 5:10.14 m /s’ * Trial 6:10.02 m s’ Trials 1,2, 4, 5, and 6 indeed present results that are proximate to the accepted acceleration due to gravity of 9.80 m/sz. The reason for such results could be multifaceted. The angle of the ramp influences the component of gravitational force acting in the direction of motion. For the trials at 10° inclination (Trials 4, 5, and 6), this component becomes significant, resulting in a faster acceleration. A precise alignment, the absence of friction (as indicated by selecting Ice), and amore prolonged gravitational influence due to greater initial and final positions could contribute to the results being closer to the accepted value.
3. What settings might be used to get a better experimental result? Indicate the settings, try them in the simulation, and indicate what result you get. For more accurate results, consider the following settings: * Ramp Angle: Adjusting the angle can help determine an optimal value that yields results closest to the accepted gravitational acceleration. * Surface Friction: The experiment uses a no-friction setting (Ice). However, introducing slight friction can counteract other experimental errors or discrepancies. It's crucial to balance friction so that it neither overcompensates nor undermines the experiment's accuracy. * Initial and Final Positions: Adjusting these positions can change the time and distance the object travels, affecting the measured acceleration. Trying different combinations of these settings in the simulation could provide a clearer understanding of their impact and assist in refining the experimental approach. Since we cannot directly interact with the simulation mentioned in the document, it's advisable for the user to adjust these settings and note the resulting changes in acceleration due to gravity.
2. What is the ramp doing to gravity? Is it slowing it down? What does the ramp do? Explain. Gravity, a vertical force, pulls objects towards Earth's center. When an object is on a ramp, this gravitational force splits into two components: one parallel to the ramp and the other perpendicular. The component parallel to the ramp (g sin(B)) causes the object's acceleration down the ramp. The component perpendicular (g cos(0)) keeps the object pressed against the ramp's surface, without influencing its motion. As the ramp's angle increases, the parallel component becomes more significant, causing the object to accelerate faster. Conversely, a smaller angle decreases this parallel component, slowing the object's acceleration. In essence, the ramp doesn't "slow down" gravity. Instead, it alters the direction in which the gravitational force acts, influencing the object's motion on the ramp.
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