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Exam-problems

# Exam-problems - Room Seat Number The University of Western...

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Room: Seat Number: The University of Western Ontario Physics 1024 Midterm Examination Part II — Problems November 8, 2008 (18:30–20:00) Print Name Student Number Section Professor Lecture Time Examination Rooms 001 Dr. M. Campbell-Brown M-W-F 12:30 pm NS 1, 7 WSC 55 002 Dr. C. Jones M-W-F 1:30 pm PART II — PROBLEMS (60% of exam total) Answer all of the questions. Illegible answers may not be considered by the graders. Be sure to show sufficient work in the blank space to support your answer.

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Physics 1024 Midterm I 2008 Part II — Problems 2/10 1. A block with mass m A = 10.2 kg rests on a horizontal table. It is connected to a second block (mass m B = 3.70 kg) with a light cord which runs over a frictionless, massless pulley. The system is initially stationary, with static friction between block A and the table enough to keep the system from moving. (a) Draw a free-body diagram for Block A and Block B. Be sure to show all forces acting on each block and to indicate a coordinate system. (2 marks) m A m B (b) What is the force of static friction on Block A? (2 marks)
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