problem_pdf - perez-tineo(gp5995 –#5 Forces – Deyo...

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Unformatted text preview: perez-tineo (gp5995) – #5 Forces – Deyo – (22009) 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 10.0 points A heavily loaded freight train moves with constant velocity. What is the relationship between the net force on the first car ( F 1 ) and the net force on the last car ( F 2 )? 1. F 1 = F 2 2. Unable to determine. 3. F 1 > F 2 4. F 1 < F 2 002 (part 1 of 2) 10.0 points A book is at rest on an incline as shown below. A hand, in contact with the top of the book, produces a constant force F hand vertically downward. F hand B o o k The following figures show several attempts at drawing free-body diagrams for the book. Which figure has the correct directions for each force? The magnitudes of the forces are not necessarily drawn to scale. 1. weight friction force normal 2. normal force friction weight 3. weight friction normal force 4. weight normal friction force 5. weight force friction normal 6. weight force normal friction 7. normal friction weight force perez-tineo (gp5995) – #5 Forces – Deyo – (22009) 2 8. weight force normal friction 003 (part 2 of 2) 10.0 points For the normal force exerted on the book by the wedge in the diagram, which force(s) complete(s) the force pair for Newton’s third law (action-reaction)? 1. the component of F hand pointing perpen- dicular to the surface of the incline 2. the sum of the component of gravity per- pendicular to the surface of the incline and the component of F hand perpendicular to the surface of the incline 3. the component of gravity pointing parallel to the surface of the incline 4. the normal force exerted on the wedge by...
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This note was uploaded on 11/01/2009 for the course PHY 78647 taught by Professor Miller during the Spring '09 term at Albany College of Pharmacy and Health Sciences.

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problem_pdf - perez-tineo(gp5995 –#5 Forces – Deyo...

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