# 1run gizmo press play what was the final speed of the

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Chapter 5 / Exercise 7
OM
Collier/Evans
Expert Verified
1.Run Gizmo: Press Play. What was the final speed of the cart? 2.Predict: Would the cart’s final speed be higher or lower if the fan were set to Medium instead of Low? 3. Experiment: Click Reset. Change Fan speed to Medium. Click Play. What was the cart’s final speed? 4. Draw conclusion: Did the cart speed up more quickly with the fan on Low or Medium?
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Chapter 5 / Exercise 7
OM
Collier/Evans
Expert Verified
5. Generalize: On Medium the fan provides more force than on Low. Make two rules by filling in the blanks below. (Put the same word in both blanks.) 6. Predict: Select the Data tab. Choose Bar graph or Line graph. This graph shows the speed of the cart over time. How would this graph be different if the fan were on High? Why? 7. Test: Check your prediction with the Gizmo. What do you observe? 8. Extend: Design an experiment to test the effect of force on a loaded cart. You can choose any surface and any object to load onto the cart. On the back of this sheet or an additional sheet, report your question, prediction, procedure, observations, and conclusion. Question: Why do objects slow down when there is nothing pushing them? 1.Observe: Use the Gizmo to explore the question above. Try different objects and surfaces. Each time, turn the fan Off while the cart is moving. (You may find it helpful to pause the Gizmo with the Pause ( ) button, turn the fan off, and then click Play to restart.) 2.Form hypothesis: What causes an object to slow down after no longer being pushed?