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problem_pdf - mougharbel (km32866) – Required Homework #6...

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Unformatted text preview: mougharbel (km32866) – Required Homework #6 – chabot – (801) 1 This print-out should have 17 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points You are using a wrench to tighten a nut. wrench rod F nut 1 wrench F nut 2 wrench rod F nut 3 wrench F nut 4 Which of the following correctly lists the arrangements (above) in descending order of torque magnitude? 1. τ 2 ≥ τ 1 ≥ τ 3 ≥ τ 4 2. τ 3 ≥ τ 1 ≥ τ 2 ≥ τ 4 3. τ 3 ≥ τ 4 ≥ τ 2 ≥ τ 1 4. τ 4 ≥ τ 2 ≥ τ 3 ≥ τ 1 5. τ 2 ≥ τ 1 ≥ τ 4 ≥ τ 3 6. τ 1 ≥ τ 2 ≥ τ 3 ≥ τ 4 7. τ 3 ≥ τ 2 ≥ τ 4 ≥ τ 1 8. τ 1 ≥ τ 3 ≥ τ 2 ≥ τ 4 9. τ 2 ≥ τ 4 ≥ τ 3 ≥ τ 1 10. τ 2 ≥ τ 4 ≥ τ 1 ≥ τ 3 002 10.0 points A 2 kg object moves in a circle of radius 4 m at a constant speed of 3 m / s. A net force of 4 . 5 N acts on the object. What is the magnitude of the angular mo- mentum bardbl vector L bardbl of the object with respect to an axis perpendicular to the circle and through its center? 1. bardbl vector L bardbl = 18 N · m kg 2. bardbl vector L bardbl = 13 . 5 kg · m 2 s 2 3. bardbl vector L bardbl = 12 m 2 s 4. bardbl vector L bardbl = 24 kg · m 2 s 5. bardbl vector L bardbl = 9 N · m kg 003 10.0 points A person spins a tennis ball on a string in a horizontal circle (so that the axis of rotation is vertical). At the point indicated below, the ball is given a sharp blow in forward direction....
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This note was uploaded on 07/05/2010 for the course PHY 2048 taught by Professor Criss during the Spring '09 term at Tampa.

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problem_pdf - mougharbel (km32866) – Required Homework #6...

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