p201f02-exam01

p201f02-exam01 - Seat # Physics P201 D. Baxter/R. Heinz...

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Seat # Physics P201 D. Baxter/R. Heinz EXAM #1 September 26, 2002 7:00–9:00 PM INSTRUCTIONS 1. Sit in SEAT # given above. 2. DO NOT OPEN THE EXAM UNTIL YOU ARE TOLD TO DO SO. 3. Print your name (last name first) and blacken in the letters on the answer sheet with a #2 pencil. 4. Print your student number (identification number) and blacken in the numbers on the answer sheet with a #2 pencil. 5. Use the fronts and backs of the question sheets for scratch work. Do not use any other scratch sheets. 6. This is a multiple choice exam. Blacken in the answer to each question on the answer sheet. Fill in one and only one answer to each question. 7. Keep your eyes on your own work. 8. You have two hours to complete the exam. When you finish, please show your picture ID as you turn in your answer sheet. Please leave quietly so others are not disturbed. 9. THERE ARE 24 QUESTIONS PLEASE ANSWER ALL OF THEM. THERE IS NO PENALTY FOR GUESSING! This is a closed book, closed note exam! You may use only a calculator and one self-prepared sheet of formulas.
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1. Two forces, one with a magnitude of 3 N and the other with a magnitude of 5 N, are applied to an object. For which orientation of the forces is the magnitude of the acceleration of the object the least ? a. I b. II c. III d. IV e. V 2. A crate rests on a horizontal surface and a woman pulls on it with a 10-N force. Rank the situations shown below according to the magnitude of the normal force exerted by the surface on the crate, least to greatest . a. 3, 1, 2 2, 1, 3 c. 2, 3, 1 d. 1, 3, 2 e. 3, 2, 1
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3. A box with a weight of 50 N rests on a horizontal surface. A person pulls horizontally on it with a force of 10 N and it does not move. To start it moving, a second person pulls vertically upward on the box. If the coefficient of static friction is 0.4, what is the smallest vertical force for which the box moves? a. 5 N b. 10 N c. 15 N d. 25 N e. 35 N 4. Two ropes are attached to a 20 kg object in outer space. The first rope applies a force of 30 N and the second, 40 N. These are the only two forces acting on the object. If the two ropes are perpendicular to each other, what is the magnitude of the resultant acceleration of the object?
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This note was uploaded on 07/02/2011 for the course PHYS 201 taught by Professor Woodahl during the Fall '09 term at Indiana.

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p201f02-exam01 - Seat # Physics P201 D. Baxter/R. Heinz...

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