Lecture 04

# Lecture 04 - 2 For a frictionless pulley and cable tensions...

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Statics: Lecture Notes for Sections 3.1-3.2 1 Lecture 04 * EQUILIBRIUM OF A PARTICLE * THE FREE-BODY DIAGRAM Section 3.1, 3.2 Ehab Zalok 2 EQUILIBRIUM OF A PARTICLE, THE FREE-BODY DIAGRAM Objectives : Students will be able to : a) Draw a free body diagram (FBD), and, b) Apply equations of equilibrium to solve a 2-D problem.

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Statics: Lecture Notes for Sections 3.1-3.2 2 3 READING QUIZ 1) When a particle is in equilibrium, the sum of forces acting on it equals ___ . (Choose the most appropriate answer) A) a constant B) a positive number C) zero D) a negative number E) an integer.
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Unformatted text preview: 2) For a frictionless pulley and cable, tensions in the cable (T 1 and T 2 ) are related as _____ . A) T 1 > T 2 B) T 1 = T 2 C) T 1 < T 2 D) T 1 = T 2 sin θ 4 APPLICATIONS For a spool of given weight; what are the forces in cables AB and AC ? Statics: Lecture Notes for Sections 3.1-3.2 3 5 APPLICATIONS (continued) For a given cable strength; what is the maximum weight that can be lifted ? 6 For a given weight of the lights; what are the forces in the cables? What size of cable must you use ? APPLICATIONS (continued)...
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Lecture 04 - 2 For a frictionless pulley and cable tensions...

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