PEARSON ETEXT ENGINEERING MECH & STATS
15th Edition
ISBN: 9780137514724
Author: HIBBELER
Publisher: PEARSON
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Students have asked these similar questions
1. Aforce F is applied to the wrench. Determine the moment of this force about point 0. Solve
the problem using both a scalar analysis and a vector analysis.
Determine the moment of force F about the door hinge at B. Express the result as a Cartesian vector.
Determine the resultant moment
produced by forces FB and Fc about
point O. Express the result as a
Cartesian vector.
5m
3 m
Fc = 480 N
4 m
FB = 720 N
3.5 m
B
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- The moment of the force F=50i100j70klb about point O is MO=400i+410j300klbft. Determine the coordinates of the point where the line of action of F intersects the xz-plane.arrow_forwardThe wrench is used to tighten a nut on the wheel. Determine the moment of the 120-lb force about the origin O. Express your answer in vector form.arrow_forwardDetermine the moment of the force F=40i8j+5kN about the y-axis.arrow_forward
- Determine the moment of the force F=9i+18jlb about point O by the following methods: (a) vector method using rF; (b) scalar method using rectangular components of F; and (c) scalar method using components of F that are parallel and perpendicular to the line OA.arrow_forwardThe force F=2i12j+5klb acts along the line AB. Recognizing that the moment of F about point B is zero, determine the x- and z-coordinates of point B.arrow_forwardWhen the three forces are replaced by an equivalent force-couple system with the force at point O, the couple vector CR is directed parallel to the x-axis. Determine F and the resultant force-couple system.arrow_forward
- The force F of magnitude 200 N is perpendicular to the plane ABC. Determine the magnitude of its moment about the x-axis.arrow_forwardThe force-couple system consists of the force R=250i+360j400kN and the couple-vector CR=1200i+750j+560kNm. Determine the equivalent wrench and find the coordinates of the point where the axis of the wrench crosses the xy-plane.arrow_forwardDetermine the moment of force F about an axis through A and C. Express the result as a Cartesian vectorarrow_forward
- Determine the moment of the 80-lb force about the Oa axis. Express the result as a Cartesian vector. C 5 ft 30° 4 ft B 30° 45° 80 lb 6 ft 60° 120°arrow_forwardDetermine the coordinate direction angles of the force F applied at the end of the pipe such that the moment of F about point A is zero.arrow_forward3. Replace the two forces acting on the post by a resultant force and couple moment at point O. Express the results in Cartesian vector form. C FB=5 kN Fp =7 kN 6 m 8m 2 m 3 m. 6 m.arrow_forward
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