ENSC111-PS3 - problem set 3 PDF

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ENSC 111: STATICS

Problem Set 3

For Full Credit Show All Work and Be Neat and Organized. Problems from Textbook, 14th edition.

3-19. Determine the unstretched length of DB to hold the 40-kg crate in the position shown. k = 180 N/m.

ENSC 111: STATICS

Problem Set 3

3.33. The lamp has a weight of 15 lb and is supported by the six cords connected together as shown. Determine the tension in each cord and the angle q for equilibrium. Cord BC is horizontal.

ENSC 111: STATICS

Problem Set 3

3.51. Determine the greatest force F that can be applied to the ring if each cable can support a maximum force of 800 lb.

ENSC 111: STATICS

Problem Set 3

4.26. If the 1500-lb boom AB, the 200-lb cage BCD, and the 175-lb man have centers of gravity located at G1, G2, and G3, respectively, determine the resultant moment produced by all the weights about point A.

ENSC 111: STATICS

Problem Set 3

4.39. Determine the moment of the force F about the door hinge at B. Express the result as a Cartesian vector.

ENSC 111: STATICS

Problem Set 3

4.50. Strut AB of the 1-m-diameter hatch door exerts a force of 450 N on point B. Determine the moment of this force about point O....