PHY 101L Module Three Lab Report Newtons Second Law

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Feb 20, 2024

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PHY 101L Module Three Lab Report Newton’s Second Law Name: Thomas Hubert Date: 08/22/2023 Complete this lab report by replacing the bracketed text with the relevant information. Activity 1: Newton’s Second Law Activity 1 Table 1 Suspended Mass (kg) Weight of Suspended Mass (mass x 9.8 m/s 2 ), Newtons Time (sec) Average Time Average Time 2 d (m) 2 d (m) Acceleration = 2 d / t 2 3 Washers 0.0173 Trial 1: 1.60 1.49 2.220 0.63 0.505 0.568 Trial 2: 1.40 Trial 3: 1.47 4 Washers 0.0223 Trial 1: 1.14 1.293 1.293 0.63 [Insert text.] 0.974 Trial 2: 1.07 Trial 3: 1.20 5 Washers 0.0281 Trial 1: 1.07 1.117 1.248 0.63 [Insert text.] 1.001 Trial 2: 1.21 Trial 3: 1.07 6 Washers 0.0339 Trial 1: 1.08 1.073 1.151 0.63 [Insert text.] 1.095 Trial 2: 1.01

Trial 3: 1.13 7 Washers 0.0398 Trial 1: 1.15 1.057 1.117 0.63 [Insert text.] 1.128 Trial 2: 1.02 Trial 3: 1.00 Mass of the system 0.2714 Slope of the Line (kg) 2.263 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0 0.2 0.4 0.6 0.8 1 1.2 Chart Title Force Acceleration Activity 1: Questions 1. According to Newton’s second law F = ma , if the force applied to an object is doubled, what happens to the acceleration? According to Newton's second law of motion, the force applied to an object is directly proportional to its acceleration. So, if the force is doubled the acceleration will be doubled. 2. You observe a vehicle traveling on a highway. The vehicle is maintaining a constant velocity. What can you determine about the forces on the vehicle?

If a vehicle is traveling on a highway and maintaining a constant velocity, the net force has to be zero. This means all the forces on the vehicle are balanced. This is because Newton's first law of motion states that an object in motion will remain in motion with constant velocity unless acted upon by an unbalanced force. “ If there is no net force acting on the object, then the object will maintain a constant velocity” (Hall, 2023) 3. What are some error sources in the second law experiment? Recording the times introduces human error. Some kind of sensor would be more accurate. Different vantage points can be more effective in gauging when to hit the stopwatch. 4. In the second law experiment, the acceleration is calculated by measuring the time for the cart to move from the start point to the end point and applying the kinematics equation: s = 1 2 at 2 Explain how to use this equation to find the acceleration. Since the initial velocity is 0, we can use the equation: (a = 2s/t 2 ). So, we just need the displacement and time to calculate the acceleration.

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References: Hall, N. (2023, August 7). Newton’s Laws of Motion . Glenn Research Center; NASA. https://www1.grc.nasa.gov/beginners-guide-to-aeronautics/newtons-laws-of-motion/

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