**Problem 11**There is a diagram featuring a horizontal rod labeled with points A and B. The rod is 1 meter long, divided equally into two segments of 0.5 meters each. Four forces are acting on the rod:1. A 90N force at a 40° angle to the left of point A.2. An 80N force at a 37° angle to the right of point A.3. A 60N force directed downward at the middle of the rod.4. A 70N force at a 30° angle to the right of point B.5. A 50N force directed to the right from point B.Calculate the net torque acting on the rod, assuming the system is pivoted about point B (the right end).**Problem 12**Repeat the previous problem, assuming that the rod is pivoted about its center.

Answered: Problem 11 یے A 40° 90N 0.5 m 37° 80N…

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 11**

There is a diagram featuring a horizontal rod labeled with points A and B. The rod is 1 meter long, divided equally into two segments of 0.5 meters each. Four forces are acting on the rod:

1. A 90N force at a 40° angle to the left of point A.
2. An 80N force at a 37° angle to the right of point A.
3. A 60N force directed downward at the middle of the rod.
4. A 70N force at a 30° angle to the right of point B.
5. A 50N force directed to the right from point B.

Calculate the net torque acting on the rod, assuming the system is pivoted about point B (the right end).

**Problem 12**

Repeat the previous problem, assuming that the rod is pivoted about its center.

Expert Solution

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11)

Determine the net torque on the rod when the system is pivoted at point B.

$\begin{array}{l} τ_{B} = [(90 N) \sin 40 °] (0.5 m + 0.5 m) + [(80 N) \sin 37 °] (0.5 m) - (60 N) (0.5 m) \\ τ_{B} = 51.92 N \cdot m (clockwise) \end{array}$

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