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4 Questions with Solutions in Midterm Exam 1 | ME 212, Exams of Statics

Material Type: Exam; Class: Statics; Subject: Mechanical and Materials Engr; University: Wright State University-Main Campus; Term: Spring 2005;

Typology: Exams

Pre 2010

Uploaded on 08/18/2009

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Wright State University ME 212, Spring 2005
Department of Mechanical and Materials Engineering
ME 212 STATICS: MIDTERM EXAM 1
Open Book, Closed Notes, Do not write on this sheet, Show all work
1. (20 points) A stake is being pulled out of the ground by means of two ropes as
shown. Knowing the magnitude and direction of the force exerted on one rope,
determine the magnitude and direction of the force P which should be exerted on the
other rope if the resultant of these two forces is to be a 160-N vertical force.
2. (25 points) Two cables are tied together at C and loaded as shown. Determine the
tension in cable AC and cable BC.
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Wright State University ME 212, Spring 2005 Department of Mechanical and Materials Engineering ME 212 STATICS: MIDTERM EXAM 1 Open Book, Closed Notes, Do not write on this sheet, Show all work

  1. (20 points) A stake is being pulled out of the ground by means of two ropes as shown. Knowing the magnitude and direction of the force exerted on one rope, determine the magnitude and direction of the force P which should be exerted on the other rope if the resultant of these two forces is to be a 160-N vertical force.
  2. (25 points) Two cables are tied together at C and loaded as shown. Determine the tension in cable AC and cable BC.

Wright State University ME 212, Spring 2005 Department of Mechanical and Materials Engineering ME 212 STATICS: MIDTERM EXAM 1, CONTINUED Open Book, Closed Notes, Do not write on this sheet, Show all work

  1. (30 points) A farmer uses a rope and pulley to lift a bale of hay of mass 26 kg. Determine the moment about A of the resultant force exerted on the pulley by the rope if the center of the pulley C lies 0.3 m below point B and 7.1 m above the ground.
  2. (25 points) An antenna is guyed by three cables as shown. Knowing that the tension in cable AB is 288 lb, replace the force exerted at A by cable AB with an equivalent force-couple system at the center O of the base of the antenna.