Problem 7A rod of length L = 3 m sits horizontally alongthe x axis attached at its left end to a pivot atthe origin. A force of 4 N is applied to its rightend at an angle +30° to the x-axis. Determinethe torque caused by this force.Problem 8A 3 m long rod is pivoted at its center. A forceof 4 N acts on its right end at +30°. Anotherforce of 3 N acts on its left end at an angle of+90° (relative to the positive x-axis).Determine the net torque acting on the rod.

As per guidelines, in case of multiple questions we must solve first question and for rest…

Problem 7 A rod of length L = 3 m sits horizontally along the x axis attached at its left end to a pivot at the origin. A force of 4 N is applied to its right end at an angle +30° to the x-axis. Determine the torque caused by this force.

Problem 7 A rod of length L = 3 m sits horizontally along the x axis attached at its left end to a pivot at the origin. A force of 4 N is applied to its right end at an angle +30° to the x-axis. Determine the torque caused by this force.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter12: Rotation I: Kinematics And Dynamics

Section: Chapter Questions

Problem 80PQ

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Concept explainers

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.

Question

Problem 7
A rod of length L = 3 m sits horizontally along
the x axis attached at its left end to a pivot at
the origin. A force of 4 N is applied to its right
end at an angle +30° to the x-axis. Determine
the torque caused by this force.
Problem 8
A 3 m long rod is pivoted at its center. A force
of 4 N acts on its right end at +30°. Another
force of 3 N acts on its left end at an angle of
+90° (relative to the positive x-axis).
Determine the net torque acting on the rod.

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