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Midterm Quiz 1 Questions - Statics | ME 212, Quizzes of Statics

Wright State University (WSU) - DaytonStatics

Material Type: Quiz; Class: Statics; Subject: Mechanical and Materials Engr; University: Wright State University-Main Campus; Term: Fall 2008;

Typology: Quizzes

Pre 2010

Uploaded on 08/16/2009

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Wright State University ME 212, Fall 2008
Department of Mechanical and Materials Engineering
ME 212 STATICS: MIDTERM QUIZ 1
Open Book, Closed Notes, Do not write on this sheet, Show all work
1. (35 points) The post is to be pulled out of the ground using two ropes A and B.
Rope A is subjected to a force of 600 lb and is directed 60º from the horizontal. If the
resultant force acting on the post is to be 1200 lb, vertically upward, determine the
force T in rope B and the corresponding angle θ.
Trig Identity:
vuvuvu
vuvuvu
sinsincoscos)cos(
sincoscossin)sin(
pf3

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Wright State University ME 212, Fall 2008 Department of Mechanical and Materials Engineering ME 212 STATICS: MIDTERM QUIZ 1 Open Book, Closed Notes, Do not write on this sheet, Show all work

  1. (35 points) The post is to be pulled out of the ground using two ropes A and B. Rope A is subjected to a force of 600 lb and is directed 60º from the horizontal. If the resultant force acting on the post is to be 1200 lb, vertically upward, determine the force T in rope B and the corresponding angle θ. Trig Identity: u v u v u v u v u v u v cos( ) cos cos sin sin sin( ) sin cos cos sin      
  1. (45 points) The ends of the three cables are attached to a ring at A and to the edge of a uniform 150-kg plate. Derive the appropriate equations in order to determine the tension in each of the cables for equilibrium. Do not solve for the tension values.