4-12. A force of 80 N acts on the handle of the paper cutterat A. Determine the moment created by this force about thehinge at O, if = 60°. At what angle should the force beapplied so that the moment it creates about point O is amaximum (clockwise)? What is this maximum moment?F=80 N.O400 mm30°Prob. 4-12810 mm

4-12. A force of 80 N acts on the handle of the paper cutter at A. Determine the moment created by this force about the hinge at O, if 8 = 60°. At what angle should the force be applied so that the moment it creates about point O is a maximum (clockwise)? What is this maximum moment? F=80 N. 400 mm 10 mm

4-12. A force of 80 N acts on the handle of the paper cutter at A. Determine the moment created by this force about the hinge at O, if 8 = 60°. At what angle should the force be applied so that the moment it creates about point O is a maximum (clockwise)? What is this maximum moment? F=80 N. 400 mm 10 mm

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

3-50. Determine the moment of the force about the a-a axis of the pipe if a - 60°, B - 60°, and y - 45°. Also, determine the coordinate direction angles of F in order to produce the maximum moment about the a-a axis. What is this moment? F = 30 N 50 mm F100 mm 100 mm
3-14. The 20-N horizontal force acts on the handle of the socket wrench. What is the moment of this force about point B. Specify the coordinate direction angles a, B, y of the moment axis. 20 N -200 mm 50 mm 10 mm У
3–25. Determine the moment produced by force Fc about point O. Express the result as a Cartesian vector. 6 m Fc= 420 N FB = 780 N 25m y.
*3–4. If 0 = 45", determine the moment produced by the 4-kN force about point A. 3 m 0.45 m 4 kN
3–6. Determine the moment of each of the three forces about point A. 309 F = 300 N F = 250 N 60° LA -2 m- -3 m- 4'm F3= 500 N
Determine the moment of a force F=(0.5i-2.0j+7.0k) kN acting at A(5, -4, 0)m about axis BC where B (6,8,4)m and C (-6, -5,8)m. Also express the result in vector form. What is the prependicular distance between F and the axis BC?
Question *4-12. Determine the angle (0° 180°) of the force F so that it produces a maximum moment and a minimum moment about point A. Also, what are the magnitudes of these maximum and minimum moments? 6 m 1.5 m F=6kN
3–15. The 20-N horizontal force acts on the handle of the socket wrench. Determine the moment of this force about point O. Specify the coordinate direction angles a, B, y of the moment axis. 20 N -200 mm 50 mm 10 mm У
Tivo forces act on the rod shown in Fig. 4-15a. Determine the resultant moment they create about the flange at O. Express the result as a Cartesian vector. F, -1-601 +40j + 20k) Ib 21t 4 ft B. 5 t (8oi + 40j - 30k} Ib (b) (a)
*4–8. Determine the moment of each of the three forces about point B. Fj = 250 N 30 F2 = 300 N 60 -2 m- -3 m- 4 4'm В 3 F3= 500 N
Q-1 Caleulate the magnitude of the moment about the base point O of the 600-N force in five different ways. 600 N 0-2 Determine the moment of -875 mm- the 800-N force about point A and about point 0. 625 mm 30 F= 800 N F = 120 N 13 20 Q-3 In stendily turning the water pump, a person exerts the 120-N force on the handle as shown. Determine the moment of this force about point O. 150 mm Ans. Mo-14.74 N-m CW
3–10. If Fg = 150 N and Fc = 225 N, determine the resultant moment about the bolt located at A. 225 mm 750 mm 30° Fc 2p FB