PHYS 218 Midterm: Texas A&M Physics 218 Exam3_Spring_2012_a
Document Summary
Rules of the exam: you have the full class period to complete the exam, formulae will be displayed in the big screen. If the answer marked does not obviously follow from the shown work, even if the answer is correct, you will not get credit for the answer. Sign below to indicate your understanding of the above rules. The other end of the bracket is hinged to the wall, such that the bracket makes and angle of 30 with the wall. The moment of inertia of the paper about the axis is i = 0. 52 kg m2 and the coe cient of kinetic friction between the wall and the roll is k = 0. 25. A constant vertical force of 40 n is applied to the end and the paper unrolls. All answers must be a number with proper units. I will be following the usual steps, including the drawing of coordinate system, and then the application of.
