Activity a force and motion get the gizmo ready click

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Activity A: Force and motion Get the Gizmo ready: Click Reset . Change the Surface to Wood . Be sure there are no objects on the cart. The Fan speed should be set to Low . Question: How does force affect motion? 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 . ? _________________________________________________________________________ 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.) Force causes the ________________ of the cart to change. If more force is used, the ________________ of the cart changes more quickly. 6. Predict: Select the DATA tab. Choose Bar graph or Line graph . This graph shows the cart speed over time. How would the graph be different if the fan were on High ? Why? _________________________________________________________________________ _________________________________________________________________________ 7. Test: Check your prediction with the Gizmo. What do you observe? ___________________ _________________________________________________________________________

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