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08_U8 test-2

# 08_U8 test-2 - Name Date Pd Unit VIII Test-v2 In each of...

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Name Date Pd Unit VIII: Test -v2 In each of the pairs of diagrams below, a sphere attached to a string is swung in a flat circle (similar to the technique used in the lab). Examine each diagram carefully to note which variable has been changed. _ 1. How would the F c of A compare to F c of B? a. A < B b. A > B c. A = B __ 2. How would the speed of A compare to that of B? a. A < B b. A > B c. A = B *********************************************************** __ 3. How would the F c of A compare to F c of B? a. A < B b. A > B c. A = B __ 4 How would the speed of A compare to that of B? a. A < B b. A > B c. A = B *************************************************************** __ 5. How would the F c of A compare to F c of B? a. A < B b. A > B c. A = B __ 6 How would the speed of A compare to that of B? a. A < B b. A > B c. A=B __ 7. At right is an overhead view of a stopper whirling around in a flat circle in the direction ©Modeling Workshop Project 2002 1 Unit VIII Test 2 v2.0

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indicated by the arrows. At the point marked "1", the string breaks. Which of the diagrams below best describes the path of the stopper? __ 8. The velocity vectors for an object moving in a circle are shown on the diagram at the right . Which of the following vector diagrams correctly represents the change in velocity (∆v) ?
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