The 400-lb crate shown is lowered by means of two overhead cranes. Knowing the tension in each cable, draw the FBD and KD that can be used to determine the angular acceleration of the crate and the acceleration of the center of gravity. Fig. P16.F4

Question-Answer › Category: Engineering Mechanics › The 400-lb crate shown is lowered by means of two overhead cranes. Knowing the tension in each cable, draw the FBD and KD that can be used to determine the angular acceleration of the crate and the acceleration of the center of gravity. Fig. P16.F4

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GME asked 1 year ago

The 400-lb crate shown is lowered by means of two overhead cranes. Knowing the tension in each cable, draw the FBD and KD that can be used to determine the angular acceleration of the crate and the acceleration of the center of gravity.
Fig. P16.F4

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Sazid Ahmad answered 1 year ago

Step: 1

The forces acting on the given crate are:
• Tensile force at point A
• Tensile force at point B
• Weight of the crate at center of gravity (G)

Step: 2

Show the free body diagram of the given system as in Figure (1).
$Z:\01_Solutions_Authoring\Mechanical_Engineering\7949\04_Artwork\7949-16-4F_fig1.jpg$

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Step: 3

The following are the inertial forces and couples acting on the given system:
• Upward inertial force at point G
• A couple about point G in clockwise direction
$Z:\01_Solutions_Authoring\Mechanical_Engineering\7949\04_Artwork\7949-16-4F_fig2.jpg$