2 Open the file Newtons Second Law from the Physics with Vernier folder 3

2 open the file newtons second law from the physics

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2. Open the file “Newtons Second Law” from the Physics with Vernier folder. 3. Attach the Force Sensor to a dynamics cart so you can apply a horizontal force to the hook, directed along the sensitive axis of your particular force sensor. Next, attach the accelerometer so the arrow is horizontal and parallel to the direction that the cart will roll. Orient the arrow so that if you pull on the force sensor the cart will move in the direction of the arrow. Find the mass of the cart with the force sensor and accelerometer attached (you may need to find the mass of each object separately). Record the mass in the data table. 4. Place the cart on a level Vernier track. Make sure the cart is not moving and click . Check to make sure both sensors are highlighted and click . Trial 1 5. You are now ready to collect force and acceleration data. Grasp the force sensor hook. Click and take several seconds to move the cart back and forth on the table. Vary the motion so that both small and large forces are applied. Make sure that your hand is only touching the hook on the force sensor and not the force sensor or cart body. 6. Note the shape of the force vs. time and acceleration vs. time graphs. Click the Examine button, , and move the mouse across the force vs. time graph. When the force is maximum, is the acceleration maximum or minimum? To turn off Examine mode, click on the Examine button, . 7. The graph of force vs. acceleration should appear to be a straight line. To fit a straight line to the data, click on the graph, then click the Linear Fit button, . Record the equation for the regression line in the data table (include units).
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  • Spring '12
  • palma

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