Homework 4 - yindeemark (rry82) – Homework 4 –...

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Unformatted text preview: yindeemark (rry82) – Homework 4 – chelikowsky – (59005) 1 This print-out should have 21 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 (part 1 of 2) 10.0 points Four forces act on an object. F 1 F 4 F 2 F 3 If the object is accelerating to the right, compare the forces. 1. F 1 < F 2 , F 3 < F 4 2. F 1 > F 2 , F 3 < F 4 3. F 1 = F 2 , F 3 < F 4 4. F 1 = F 2 , F 3 > F 4 5. F 1 = F 2 , F 3 = F 4 002 (part 2 of 2) 10.0 points If the object is accelerating upward and to the right, compare F 1 to F 2 and F 3 to F 4 . 1. F 1 = F 2 , F 3 > F 4 2. F 1 = F 2 , F 3 < F 4 3. F 1 < F 2 , F 3 < F 4 4. F 1 = F 2 , F 3 = F 4 5. F 1 > F 2 , F 3 < F 4 003 (part 1 of 3) 10.0 points The following 3 questions refer to a coin which is tossed straight up into the air. After it is released it moves upward, reaches its highest point and falls back down again. Indicate the force acting on the coin for each of the cases described below. The coin is moving upward after it is re- leased. 1. The force is down and increasing . 2. The force is down and decreasing . 3. The force is up and increasing . 4. The force is zero . 5. The force is down and constant . 6. The force is up and constant . 7. The force is up and decreasing . 004 (part 2 of 3) 10.0 points The coin is at its highest point. 1. The force is zero . 2. The force is down and decreasing . 3. The force is down and increasing ....
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This note was uploaded on 03/26/2010 for the course PHY 303K taught by Professor Turner during the Fall '08 term at University of Texas.

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Homework 4 - yindeemark (rry82) – Homework 4 –...

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