12.3 A 700 N bear is standing on a metal plank supported by the cable shown in the figure. At the end of the plank hangs abasket weighing 80 N. Assume the plank is uniform, weighs 200 N, is 7.00 m long, and 0 60.0⁰.(a) When the bear is at x = 1.05 m, find the tension in the cable supporting the plank and the components of the forceexerted by the wall on the left end of the plank. (Enter the magnitudes of your answers in N.)T =NNNk+Fy=Goodies(b) If the cable can withstand a maximum tension of 750 N, what is the maximum distance (in m) the bear can walkbefore the cable breaks? (Measure this distance from the wall.)m

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A 700 N bear is standing on a metal plank supported by the cable shown in the figure. At the end of the plank hangs a basket weighing 80 N. Assume the plank is uniform, weighs 200 N, is 7.00 m long, and 0 = 60.0⁰.

A 700 N bear is standing on a metal plank supported by the cable shown in the figure. At the end of the plank hangs a basket weighing 80 N. Assume the plank is uniform, weighs 200 N, is 7.00 m long, and 0 = 60.0⁰.

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter9: Statics And Torque

Section: Chapter Questions

Problem 9PE: A person carries a plank of wood 2.00 m long with one hand pushing down on it at one end with a...

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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

12.3

A 700 N bear is standing on a metal plank supported by the cable shown in the figure. At the end of the plank hangs a
basket weighing 80 N. Assume the plank is uniform, weighs 200 N, is 7.00 m long, and 0 60.0⁰.
(a) When the bear is at x = 1.05 m, find the tension in the cable supporting the plank and the components of the force
exerted by the wall on the left end of the plank. (Enter the magnitudes of your answers in N.)
T =
N
N
N
k+
Fy
=
Goodies
(b) If the cable can withstand a maximum tension of 750 N, what is the maximum distance (in m) the bear can walk
before the cable breaks? (Measure this distance from the wall.)
m

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