PEARSON ETEXT ENGINEERING MECH & STATS
15th Edition
ISBN: 9780137514724
Author: HIBBELER
Publisher: PEARSON
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Replace the force system acting on the beam by an equivalent resultant force and couple moment at point B.
Replace the loading system by an equivlanet reusltant force and couple moment acting at point A.
1. the tow truck's front wheels will belifted off the ground if the moment of the load W about the rear axle exceeds the moment of 3000N weight of the truck. Determine the largest w that may be safely applied
2. the flat plate shown in the figure is acted on by the three couples. replace the three couples with two forces, one acting along the line OP
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- A 1200 N-m couple moment is applied at B in the direction shown. Find the support reactions at O.arrow_forwardFind the moment about point A resulting from the force of the knee on the helmet, as shown. Also, find the force F at the base of the neck needed to resist this moment.arrow_forwardReplace the force system acting on the post by a resultant force and couple moment at point O. Take F1 = 400 lb and F2 = 250 lb. %3D F, 30 150 lb 2 ft 2 ft F, 2 ftarrow_forward
- Calculate the moment Mg of the 620-N force about the bolt at B. Simplify your work by first replacing the force by its equivalent force- couple system at A. The moment is positive if counterclockwise, negative if clockwise. Assume F = 620 N, r = 240 mm, h = 625 mm, 0 = 31% = 38° Answer: MB = i 0 F N.marrow_forwardSpecify the magnitude of the force for the wrench. Specify the magnitude of the couple moment for the wrench. Specify the point P(x, y) where its line of action intersects the plate.arrow_forwardReplace the force system acting on the beam by an equivalent force and couple moment at point B. JAN 25 KN 15 KNarrow_forward
- ,arrow_forwardCalculate the moment of the 1200 N force about pin A of the bracket. Begin by replacing the 1200 N force by force-couple system at point (B).arrow_forwardReplace the force system acting on the beam by an equivalent force and couple moment at point A. 25KN USES 4.11 * 2 m JANarrow_forward
- 6arrow_forwardr. Determine the required magnitude of force F, if the resultant couple moment on the beam is to be zero. -3m- 3m- S KN B 05 m 30 30 05 m 5 KN - 2:54arrow_forwardCalculate the moment MB of the 605-N force about the bolt at B. Simplify your work by first replacing the force by its equivalent force- couple system at A. The moment is positive if counterclockwise, negative if clockwise. Assume F = 605 N, r = 215 mm, h = 705 mm, 0 = 33°, = 38° Answer: MB = i Ꮎ h N.marrow_forward
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