-2- 4. A force F of magnitude 840 N acts at a point as shown. Determine: (a) The moment of the force about point B; (b) The direction associated with the unit vector й along the axis of the moment; and (c) The perpendicular distance d from point B to the line of action of the force. 275 mm 150 mm 175 mm 250 mm 400 mm 200 mm 5. A beam is loaded with a system of forces as shown. Express the resultant of the force system in Cartesian vector format. 500 N 750 N 250 mm 800 N C 60° D 300 mm 300 mm 800 N 750 N 500 N

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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-2-
4. A force F of magnitude 840 N acts at a point as shown. Determine:
(a) The moment of the force about point B;
(b) The direction associated with the unit vector й along the axis of the moment; and
(c) The perpendicular distance d from point B to the line of action of the force.
275 mm
150 mm
175 mm
250 mm
400 mm
200 mm
5. A beam is loaded with a system of forces as shown. Express the resultant of the force system in Cartesian
vector format.
500 N
750 N
250 mm
800 N
C
60°
D
300
mm
300 mm
800 N
750 N
500 N
Transcribed Image Text:-2- 4. A force F of magnitude 840 N acts at a point as shown. Determine: (a) The moment of the force about point B; (b) The direction associated with the unit vector й along the axis of the moment; and (c) The perpendicular distance d from point B to the line of action of the force. 275 mm 150 mm 175 mm 250 mm 400 mm 200 mm 5. A beam is loaded with a system of forces as shown. Express the resultant of the force system in Cartesian vector format. 500 N 750 N 250 mm 800 N C 60° D 300 mm 300 mm 800 N 750 N 500 N
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