1. Press Record and gather data as the cart moves in one direction along the track while being pulled
with a constant force by the hanging mass. Be sure that the cart is released from rest. Note its
starting position and ending position relative to the motion detector. (Use the yellow measuring tape
located on the track.)
2. Note the region of the graphs over which this motion took place. Remember that the x-axis of each
graph is Position, not Time.
3. Note the area calculated by the integration function on the Force vs. Position graph over the constant
force interval. Answer the following questions: (Hint: Consider the direction of the Force and the
Displacement)
1.) Why is this value negative?
2.) Is the work done on the cart by the Force (due to the hanging mass) positive or negative? Explain.
(Realize that you will need to interpret the sign of this value correctly for all further analysis.)
4. Using the Maximum and Minimum information, determine the Change in the Kinetic Energy (DK) of
the cart between these values. Record the DK.
5. Highlight the region of the Force vs. Position graph over which the cart was being pulled along by the
hanging mass. (In other words, remove extraneous data from the integration calculation). Determine
and record the value of the Work done by the Force created by the hanging mass. Include the
appropriate sign and units.
6. Copy each graph (including the statistics information) into the Word™ template by clicking on the
Display menu and selecting Export Picture.