Concept explainers
While cutting a piece of paper, a person exerts the two indicated forces on a paper cutter. Reduce the two forces to an equivalent force-couple system at corner O and then specify the coordinates of the point P in the x-y plane through which the resultant of the two forces passes. The cutting surface is
Want to see the full answer?
Check out a sample textbook solutionChapter 2 Solutions
Engineering Mechanics: Statics
Additional Engineering Textbook Solutions
Engineering Mechanics: Statics & Dynamics (14th Edition)
Thinking Like an Engineer: An Active Learning Approach (4th Edition)
Manufacturing Engineering & Technology
INTERNATIONAL EDITION---Engineering Mechanics: Statics, 14th edition (SI unit)
Thinking Like an Engineer: An Active Learning Approach (3rd Edition)
Introduction to Heat Transfer
- When 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_forwardDetermine the wrench that is equivalent to the force-couple system shown and find the coordinates of the point where the axis of the wrench crosses the xz-plane.arrow_forwardThe 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.arrow_forward
- The tensions in the cables supporting the pole are T1=T2=T3=60kN. Replace the cable tensions with an equivalent force-couple system with the force acting at O. Express your answer in vector form.arrow_forwardThe trapdoor is held in the horizontal plane by two wires. Replace the forces in the wires with an equivalent force R that passes through point A, and determine the y-coordinate of point A.arrow_forwardThe arm ABCD of the industrial robot lies in a vertical plane that is inclined at 40 to the yz-plane. The arm CD makes an angle of 30 with the vertical. A socket wrench attached at point D applies a 52-lb ft couple about the arm CD, directed as shown. (a) Find the couple-vector that represents the given couple. (b) Determine the moment of the couple about the z-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-couple system acting at O is equivalent to the wrench acting at A. If R=600i+1400j+700klb and |C|=1200lbft, determine CR.arrow_forwardDetermine the moment of the force F about point A in terms of F and d. Use (a) the scalar method; and (b) the vector method.arrow_forward
- The two forces of magnitude F=30kN form a couple. Determine the corresponding couple-vector.arrow_forwardReplace the three forces shown by an equivalent force-couple system at point A. If the forces are replaced by a single resultant force, determine the distance d below point A to its line of action. 100 N 560 mm 560 mm 560 mm 260 N Answers: Force-couple system at A. The force is positive if to the right, and the couple is positive if counterclockwise. R= i N M = Single resultant force. d = i 120 N N•m mmarrow_forwardReplace the three forces shown by an equivalent force-couple system at point A. If the forces are replaced by a single resultant force, determine the distance d below point A to its line of action. 160 N 470 mm 470 mm 150 N 470 mm 305 N Answers: Force-couple system at A. The force is positive if to the right, and the couple is positive if counterclockwise. R = M = N-m Single resultant force. d = mmarrow_forward
- International Edition---engineering Mechanics: St...Mechanical EngineeringISBN:9781305501607Author:Andrew Pytel And Jaan KiusalaasPublisher:CENGAGE L