$15.00 Laws of Newton
experiment with a simulated wagon, or sled (Background: Fendt, 2003). The experiment is set up so that you can change the mass of the sled, the value of the hanging mass, and the coefficient of friction between the sled and the surface supporting it.
The mass of the wagon (M) and the hanging mass (m) are in kilograms. The total mass of the system is Mt, the sum of M and m. The acceleration of gravity (g) is 9.8 m/s2 . The acceleration of the system (a) varies, depending upon the experimental values of M, m, and µ. In the situation shown above (μ = 0), the only force acting on the system is the weight of the hanging mass, Wm.
Fill in the following table, using the value of a obtained from the simulation. Record and calculate data to the nearest three decimal places. The masses in the table are in kg, but the input data are in grams, so make the necessary conversions. The first row has been completed for you.
M m a Wm Mt (Mt)a
.100 .01 .892 .098 .11 .098
Discuss your results. How do they demonstrate Newton's Second Law (F = ma)?
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- Posted on Jan 23, 2012 at 12:12:21PM
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