Practice Exam

Practice Exam - University of Minnesota School of Physics...

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University of Minnesota Name: School of Physics and Astronomy ID Number: Physics 1301W, Fall 2011, Section 300 TA Name: Hour Exam 2 (Practice)—Problem 1 Please be sure to write your name on each page of this exam and on the “bubble sheet” that you use for answering the multiple choice questions. Answer Problem 1 on this sheet. 1. A system consists of a 5 kg mass supported by an arrangement of two pulleys and a rope as shown in the figure below. (a) If the system is at rest, what is the upward force on the 5 kg mass? (5 points) (b) If the system is at rest, what is the tension in the rope? (10 points) (c) What is the value of the unknown mass (? kg) that is required to keep the system at rest? (5 points) (d) If the unknown mass is 12 kg, what is the magnitude and direction of its acceleration? (5 points) 5 kg ? kg 30° 30°
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University of Minnesota Name: School of Physics and Astronomy ID Number: Physics 1301W, Fall 2011, Section 300 TA Name: Hour Exam 2 (Practice)—Problem 2 Please be sure to write your name on each page of this exam and on the “bubble sheet” that you use for answering the multiple choice questions. Answer Problem 2 on this sheet. 2. A locomotive is pulling a train that consists of five cars. The cars are labeled 1, 2, 3, 4 and 5
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Practice Exam - University of Minnesota School of Physics...

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