PHY 150 M4 Newton's Second Law Lab Report
Newton’s Second Law
Name
Date
Activity 1: Newton’s Second Law Data Table 1
PHY 150 M4 Newton's Second Law Lab Report
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This lab report examines Newton's second law using experimental data and analysis. It presents data tables, acceleration calculations, and a force-acceleration graph. The report includes questions assessing understanding, error sources, and kinematics applications. Useful for introductory physics students, it offers a practical grasp of Newton's second law and its real-world uses. It improves comprehension via data analysis and critical thinking, serving as a valuable physics education resource. The report provides a clear, structured approach to fundamental physics, suitable for high school and early university courses. It highlights experimental verification, encouraging active and critical engagement. Data, graphs, and questions make this an effective tool for learning and reinforcing Newton's second law.
Typology: Exams
2024/2025
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Newton’s Second Law
Name
Date
Activity 1: Newton’s Second Law Data Table 1
Suspend e d Mass (kg) Weight of Suspend e d Mass (mass x
m/s^2 ), Newton s Tim e (sec ) Average Time Average Time^2 d (m) 2d (m) Acceleration = 2d/t^2 3 Washers 0.0168 kg 0.1646 N Trial 1: 1.81s 1.88s 3.53s .5 m 1. m
m/s
Trial 2: 1.95s Trial 3: 1.87s 4 Washers 0.0221 kg 0.2165 N Trial 1: 1.34s 1.39s 1.93s .5 m 1. m
m/s
Trial 2: 1.44s Trial 3: 1.39s 5 Washers 0.0284 kg 0.2783 N Trial 1: 1.19s 1.22s 1.49s .5 m 1. m
m/s
Trial 2: 1.22s
Force
in
- Force in Newtons vs. Acceleration in m/s^ Newtons - 0.28 0.52 0.67 0.85 1. - Acceleration in m/s^ - Series
Activity 1: Questions for Newton’s Second Law Question 1: According to Newton’s Second Law F = m a. If the force applied to an object is doubled, what happens to the acceleration? If we look at the equation, F=ma, doubling force would mean mass and acceleration would also need to be doubled to make the equation true. So, to answer the question, acceleration would be doubled if the force applied to an object is doubled. Question 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? Reflecting upon our first discussion about speed, velocity, and acceleration, I know that acceleration is determined by the change in velocity of a body. If there is constant velocity, then no change is occurring, therefore there is no acceleration. Question 3: What are some error sources in the Second Law experiment? Possible error sources may include and are not limited to human error while timing the sequences on the stopwatch and air resistance, Question 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 =
a t^2
Explain how this equation is used to find the acceleration. “S” in this instance is the displacement, while “a” is acceleration and “t^2” is time squared for the time it takes to reach from the start point to the end point. If we use mathematics to rearrange the variables, the equation becomes: a = 2s/t^2.