Newton’s Second Law How does a cart change its motion when you push and pull on it? You might think that the harder you push on a cart, the faster it goes. Is the cart’s velocity related to the force you apply? Or doesthe force just changethe velocity? Also, what does the mass of the cart have to do with how the motion changes? We know that it takes a much harder push to get a heavy cart moving than a A c c e l e r o m e t e r F o r c e S e n s o r Figure 1 OBJECTIVES Collect force and acceleration data for a cart as it is moved back and forth. Compare force vs . time and acceleration vs . time graphs. Analyze a graph of force vs . acceleration. Determine the relationship between force, mass, and acceleration. MATERIALS computer Vernier Force Sensor Vernier computer interface low-friction dynamics cart Logger Pro 0.500 kg mass Vernier Low-g Accelerometer
PROCEDURE 1. Connect a Dual-Range Force Sensor to Channel 1 on the Vernier computer interface. Connect the Low-g Accelerometer to Channel 2 on the interface. 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
You've reached the end of your free preview.
Want to read all 5 pages?