Lecture6-

Lecture6- - Problem 3-8 The engine of mass 200 kg is...

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1 Problem 3-8. The engine of mass 200 kg is suspended from a vertical chain at A . Determine the compressive force acting along the axis of the bar and the tension forces in segments BA and CA of the chain. Hint: Analyze equilibrium first at A , then at B . E F Problem 3-19. The cords BCA and CD can each support a maximum load 50 lb. Determine the maximum weight of the crate, and the angle θ for equilibrium. Problem 3.10 The crate of weight 500 lb is hoisted using the ropes AB and AC . Each rope can withstand a maximum tension 2500 lb before it breaks. If AB always remains horizontal, determine the smallest angle θ to which the crate can be hoisted. THREE-DIMENSIONAL FORCE SYSTEMS Today’s Objectives : Students will be able to solve 3-D particle equilibrium problems by a) Drawing a 3-D free body diagram, and, b) Applying the three scalar equations (based on one vector equation) of equilibrium.

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2 APPLICATIONS The weights of the electromagnet and the loads are given. Can you determine
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Lecture6- - Problem 3-8 The engine of mass 200 kg is...

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