ENGL 232 Chapter : ENGL 232 Syllabus Fall 2015
15 Mar 2019
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By 3:00 pm in nicholson 202 (total 20 pts: (11 points) the figure shows a box with mass m1 on a frictionless plane inclined at angle 1. The box is connected via a cord of negligible mass to another box with mass m2 on a frictionless plane inclined at angle 2 (> 1). The pulley is frictionless and has negligible mass and assumes that the setup is on the surface of the earth: (5 pts) provide free-body force diagram for both boxes. 2: (3 pts) what is the acceleration in terms of m1, m2, 1 and 2? a = m2 sinq. 2: (2pts)what situation can make the acceleration to be zero and what is the tension in the cord then? a =0 if m2 sinq. 2: (9 pts) a loaded penguin sled weighing 100 n rests on a plane inclined at angle 30 to the horizontal (see the figure).
