PEARSON ETEXT ENGINEERING MECH & STATS
15th Edition
ISBN: 9780137514724
Author: HIBBELER
Publisher: PEARSON
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The 60-N force acts at point A on the lever as shown. Replace
the force at A by a force and couple moment acting at point 0
that will have an equivalent effect.
60
60 N
200 mm
Handle forces F1 and F2 are applied to the electric drill. Replace this force system by an equivalent resultant force and couple moment acting at point O. Express the results in Cartesian vector from. Determine the resultant force and the moment of the resultant forse about the point O. Express your answer in terms of the unit vectors i, j and k.
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- Determine the moment of the force F=40i8j+5kN about the y-axis.arrow_forward1. Determine the magnitude of the moment of the 200-N force about the x axis. Solve 0.3 m F= 200 N the problem using both a scalar and a 45 vector analysis. 120 60 0.25 m 2. The chain AB exerts a force of 20 lb on the 3 ft door at B. Determine the magnitude of the 2 ft moment of this force along the hinged axis x of the door. F= 20 lb B. 4 ft 3 ft 20°arrow_forwardReplace the loading acting on the frame by an equivalent resultant force and couple moment acting at point A. 80 lb 60 lb 3 ft 3 ft- 3 ft 3 ft B A 2 ft + 4 ft 75 lb 40 lbarrow_forward
- Given the problem: Determine the length of "b" of the triangular load and its position "a" on the beam such that the equivalent resultant force is zero and the resultant couple moment is 8.4 kN-m clockwise.arrow_forwardDetermine the required magnitude of force F, if the resultant couple moment on the beam is to be zero.arrow_forwardThe pipe assembly is subjected to three forces of F1 = {3.00, 4.00, -2.00} kip, F2 = {0, 0,-4.00} kip, and F3 = {-3.00, 0, 0} kip. Determine the sum of the moment of the forces 1) about x-axis (the unit vector of x is i) and 2) about line AC. Express the result as a Cartesian vector.arrow_forward
- The turnbuckle is tightened until the tension in cable AB is 1.1 kN. Calculate the magnitude of the moment about point O of the force acting on point A. 1.4 m 2.3 m 1.3 m 0.9 m Answer: M= kN-marrow_forwardDetermine the required magnitude of force F if the resultant couple moment on the frame is 350 Ib.ft clockwise 2 ft-2 ft- B 30° 2 ft 150 lb 150 lb 2 ft 30 2 ftarrow_forwardReplace the loading by an equivalent resultant force and couple moment at point B.arrow_forward
- The caster wheel is subjected to the two couples. Determine the forces F that the bearings exert on the shaft so that the resultant couple moment on the caster is zero.arrow_forwardDetermine the moment of force F about the door hinge at B. Express the result as a Cartesian vector.arrow_forwardfind the sum of the moments of the Forces in kN.m about Point O, (positive in the counter- clockwise direction). F1 = 60 kN and F2 = 22 kN. 15 m 9 m F1 kN F2 KNarrow_forward
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