The figure below shows forces acting at various points on a metal rod. The angles a = 50°, B = 35°, y = 25°. The length e = 4.4 m. Find the net torque (in N. m) on the rod about the following axes. 25 N iB a 10 N 30 N (a) an axis through O perpendicular to the page magnitude What does the right hand rule say about the direction of the torques acting about O? How does that affect the signs of the torque components? What is the formula for a magnitude of a cross product? What is the angle between each position vector and force vector? N. m direction ---Select-- (b) an axis through C perpendicular to the page magnitude N. m direction ---Select--

Question
The figure below shows forces acting at various points on a metal rod. The angles a = 50°, B = 35°, y = 25°. The length e = 4.4 m. Find the net torque (in N. m) on the rod about the following axes.
25 N
iB
a
10 N
30 N
(a) an axis through O perpendicular to the page
magnitude
What does the right hand rule say about the direction of the torques acting about O? How does that affect the signs of the torque components? What is the formula for a magnitude of a cross
product? What is the angle between each position vector and force vector? N. m
direction
---Select--
(b) an axis through C perpendicular to the page
magnitude
N. m
direction
---Select--
Expand
Transcribed Image Text

The figure below shows forces acting at various points on a metal rod. The angles a = 50°, B = 35°, y = 25°. The length e = 4.4 m. Find the net torque (in N. m) on the rod about the following axes. 25 N iB a 10 N 30 N (a) an axis through O perpendicular to the page magnitude What does the right hand rule say about the direction of the torques acting about O? How does that affect the signs of the torque components? What is the formula for a magnitude of a cross product? What is the angle between each position vector and force vector? N. m direction ---Select-- (b) an axis through C perpendicular to the page magnitude N. m direction ---Select--

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