The figure below shows a horizontal rod, of length 7.4 m, with forces acting on it. A 30 N force acts at its left end, point 0, in a direction down and to the left, 45° below horizontal. A 25 N force acts at its center, point G in a direction up and to the right, 30° to the right of vertical. A 20 N force acts at the right end, in a direction down and to the right, 20° below horizontal. *a) What is the net torque (in N- m) on the rod about an axis through Operpendicular to the page? magnitude=_N•m direction= clockwise or counter clockwise (b)What is the net torque (in N· m) on the rod about an axis through Cperpendicular to the page? magnitude=_N •m direction= clockwise or counter clockwise 25 N 30 ST 20° 45° C 3.7 m 10 N – 7.4 m- 30 N
The figure below shows a horizontal rod, of length 7.4 m, with forces acting on it. A 30 N force acts at its left end, point 0, in a direction down and to the left, 45° below horizontal. A 25 N force acts at its center, point G in a direction up and to the right, 30° to the right of vertical. A 20 N force acts at the right end, in a direction down and to the right, 20° below horizontal. *a) What is the net torque (in N- m) on the rod about an axis through Operpendicular to the page? magnitude=_N•m direction= clockwise or counter clockwise (b)What is the net torque (in N· m) on the rod about an axis through Cperpendicular to the page? magnitude=_N •m direction= clockwise or counter clockwise 25 N 30 ST 20° 45° C 3.7 m 10 N – 7.4 m- 30 N
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:The figure below shows a horizontal rod, of length 7.4 m, with forces acting on it. A 30 N force
acts at its left end, point 0, in a direction down and to the left, 45° below horizontal. A 25 N
force acts at its center, point G in a direction up and to the right, 30° to the right of vertical. A
20 N force acts at the right end, in a direction down and to the right, 20° below horizontal.
*a) What is the net torque (in N- m) on the rod about an axis through Operpendicular to the
page?
magnitude=_N•m
direction= clockwise or counter clockwise
(b)What is the net torque (in N· m) on the rod about an axis through Cperpendicular to the
page?
magnitude=_N •m
direction= clockwise or counter clockwise
25 N
30
ST 20°
45°
C
3.7 m
10 N
– 7.4 m-
30 N
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