2/27 The 4-kN force F is applied at point A. Compute the moment of F about point O, expressing it both as a scalar and as a vector quantity. Determine the coor- dinates of the points on the x- and y-axes about which the moment of F is zero. Ans. Mo = 2.68 kN m CCW, Mo (x, y) 2.68k kN m %3D (-1.3, 0) and (0, 0.78) m у, т

2/27 The 4-kN force F is applied at point A. Compute the moment of F about point O, expressing it both as a scalar and as a vector quantity. Determine the coor- dinates of the points on the x- and y-axes about which the moment of F is zero. Ans. Mo = 2.68 kN m CCW, Mo (x, y) 2.68k kN m %3D (-1.3, 0) and (0, 0.78) m у, т

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter2: Basic Operations With Force Systems

Section: Chapter Questions

Problem 2.27P: Determine the moment of the force F=9i+18jlb about point O by the following methods: (a) vector...

See similar textbooks

Similar questions

The pole OB is subjected to the 6004b force at B. Determine (a) the rectangular components of the force; and (b) the angles between the force vector and the coordinate axes.
The force R is the resultant of P and 0. Determine Q and the angle .
The intensity of the line loading acting on a quarter circle is w=w0(2/). Use intergration to determine the resultant of the loading and its line of action.
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.
bläi 4 The component of the following force along u axis is 500 kN 60 45 u
Q: Represent the resultant of the three forces and one couple by an equivalent force R at A and a couple M. find M and the magnitude and direction ofR* -30 400 lb 3' 1000 lb-ft A B 800 lb 6'- 300 lb O R=677N, M-1131 ib-ft, theta= 41.2 degree O R=675N, M=1136 ib-ft, theta= 42.2 degree R=676N, M=1132 ib-ft, theta= 40.2 degree
2. Find the resultant force R acting through point C and the horizontal couple acting through points A and B tha can replace the force system below. Each grid is 1m x 1m. 10 N 17 N A 25 N В
Find the resultant force vector,R, of the three vectors A,B, and C (i.e., add the vectors), if the magnitude of vector A is 10N, the magnitude of vector B is 17N, and the magnitude of vector C is 9N. Your answer should be in the form R = Rx i+ Ry j, where you determine Rx and Ry, and where i, and j are the unit vectors along the x, and y axis, respectively. YA В A 60° 45°
Ql: The 100 tb force of Figure below is the resultant of the couple and four forces, three of which are shown in the diagram. Determine the fourth force and locate it with respect to point А. 100 50 120n-1b 2" 20b 4" 40b
Find the resultant ( R ) of the force system shown. Show its position with respect to point ( O). Also show where it cuts both x- and y-axes. 34 200N SeoN 600 N-m 45 2 m N OSI 5m
The component of the following * force alongu axis is
: Determine the resultant of the force system in next fig. Then locate it with respect to point (A). 1000 N. 80 N 150 N 100 N lom