Two parallel 40-N forces are applied to a lever as shown. Deter- mine the moment of the couple formed by the two forces (a) by resolving each force into horizontal and vertical components and adding the moments of the two resulting couples, (b) by using the perpendicular distance between the two forces, (c) by summing the moments of the two forces about point A.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter6: Deflections Of Beams: Geometric Methods
Section: Chapter Questions
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Two parallel 40-N forces are applied to a lever as shown. Deter-
mine the moment of the couple formed by the two forces (a) by
resolving each force into horizontal and vertical components and
adding the moments of the two resulting couples, (b) by using the
perpendicular distance between the two forces, (c) by summing the
moments of the two forces about point A.
20°
40 N
B
40 N
270 mm
55°
390 mm
A O
Transcribed Image Text:Two parallel 40-N forces are applied to a lever as shown. Deter- mine the moment of the couple formed by the two forces (a) by resolving each force into horizontal and vertical components and adding the moments of the two resulting couples, (b) by using the perpendicular distance between the two forces, (c) by summing the moments of the two forces about point A. 20° 40 N B 40 N 270 mm 55° 390 mm A O
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