The person in the figure below weighs 195 lb. Each crutch makes an angle of 8 = 20.5° with the vertical (as seen from the front). Half of the person's weight is supported by the crutches, the other half by the vertical forces exerted by the ground on his feet. Assuming he is at rest and the force exerted by the ground on the crutches acts along the crutches, determine each of the following.

The person in the figure below weighs 195 lb. Each crutch makes an angle of 8 = 20.5° with the vertical (as seen from the front). Half of the person's weight is supported by the crutches, the other half by the vertical forces exerted by the ground on his feet. Assuming he is at rest and the force exerted by the ground on the crutches acts along the crutches, determine each of the following.

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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Rotational Equilibrium And Rotational Dynamics

In physics, the state of balance between the forces and the dynamics of motion is called the equilibrium state. The balance between various forces acting on a system in a rotational motion is called rotational equilibrium or rotational dynamics.

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The tension created on one body during push or pull is known as force.

Question

The person in the figure below weighs 195 lb. Each crutch makes an angle of 0 = 20.5° with the vertical (as seen from the
front). Half of the person's weight is supported by the crutches, the other half by the vertical forces exerted by the ground
on his feet. Assuming he is at rest and the force exerted by the ground on the crutches acts along the crutches, determine
each of the following.
Ө
Ө
(a) the smallest possible coefficient of friction between crutches and ground
(b) the magnitude of the compression force supported by each crutch
lb

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