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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.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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**Problem 7** A rod of length \( L = 3 \, \text{m} \) sits horizontally along the x-axis attached at its left end to a pivot at the origin. A force of \( 4 \, \text{N} \) is applied to its right end at an angle \( +30^\circ \) to the x-axis. Determine the torque caused by this force. **Problem 8** A \( 3 \, \text{m} \) long rod is pivoted at its center. A force of \( 4 \, \text{N} \) acts on its right end at \( +30^\circ \). Another force of \( 3 \, \text{N} \) acts on its left end at an angle of \( +90^\circ \) (relative to the positive x-axis). Determine the net torque acting on the rod.
Transcribed Image Text:**Problem 7** A rod of length \( L = 3 \, \text{m} \) sits horizontally along the x-axis attached at its left end to a pivot at the origin. A force of \( 4 \, \text{N} \) is applied to its right end at an angle \( +30^\circ \) to the x-axis. Determine the torque caused by this force. **Problem 8** A \( 3 \, \text{m} \) long rod is pivoted at its center. A force of \( 4 \, \text{N} \) acts on its right end at \( +30^\circ \). Another force of \( 3 \, \text{N} \) acts on its left end at an angle of \( +90^\circ \) (relative to the positive x-axis). Determine the net torque acting on the rod.
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problem 7 ...

Given 

Length of rod, L = 3 m 

Force , F = 4 N 

Force F is 30° to  -x axis 

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