MAE241 Statics: Final Exam Name _______________________________

Problem No. 1 (15 points)

Determine the magnitude of the resultant force and its direction as an angle measured from the positive x axis.

2-135

MAE241 Statics: Final Exam Name _______________________________

Problem No. 2 (15 points)

The cutting tool on the lathe exerts a force F on the shaft in the direction shown. Determine the moment of this force about the z axis of the shaft.

MAE241 Statics: Final Exam Name _______________________________

Problem No. 3 (15 points)

Find the moment generated by the 70N force about point A.

100 N

MAE241 Statics: Final Exam Name _______________________________

Problem No. 4 (15 points)

The 200-lb uniform tank is suspended by means of a 6-ft-long cable, which is attached to the sides of the tank and passes over the small pulley located at O. If the cable can be attached at either points A and B, or C and D,

(a) determine which attachment produces the least amount of tension in the cable, and

(b) what is this tension.

MAE241 Statics: Final Exam Name _______________________________

Problem No. 5 (10 points)

Find the forces in members GB, GE, and EC. Indicate whether each member is in tension or compression.

MAE241 Statics: Final Exam Name _______________________________

Problem No. 6 (10 points)

The crate has a weight of 180 lb and rests on a concrete floor for which μs = 0.5. If h = 4.5 ft, determine the minimum horizontal force P that must be applied to the crate to cause it to move. Also, state if indicate if the crate will tip or slip.

MAE241 Statics: Final Exam Name _______________________________

Problem No. 7 (10 points)

(a) Determine the centroid location of the shaded area,

(b) Determine the moment of inertia for the shaded area about the x-axis.

MAE241 Statics: Final Exam Name _______________________________

Problem No. 8 (10 points)

Replace the loading on the frame with a single resultant force, indicating its magnitude and direction as an angle from the positive x axis. Specify where its line of action intersects beam AB as measured from A.

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