Answered: torque (in N · m) exerted by the fish…

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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Question

The figure below shows a fisherman with a fishing pole that makes an angle of 20.0° above the horizontal. The distance from the fisherman's hand to the tip of the pole is L = 1.89 m. A fish is on the line, and it pulls the line with a force of F = 119 N at an angle 37.0° below the horizontal. What is the magnitude of the torque (in N · m) exerted by the fish about an axis perpendicular to the page and passing through the fisherman's hand?

Expert Solution

Step 1

Torque is equal to cross product of force and distance.

To calculate force ... first resolve force in x and y direction components....here in this case let x axis is along the line L ....and y acis is perpendicular to it.....

Fx = Fcos(theta)

Fy = Fsin(theta)

Here theta is the the angle between Line L and direction of force F

Theta = 20+37 = 57

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