2. Let's look at the femur – the largest, longest, and strongest bone of the human skeleton. Let's do some calculation to see if it makes sense. How much does the femur shorten when you stand on one foot? (With no stress the femur is about 0.5 m long. The cross-sections effective area is approximately 370 mm2.) would happen if you try to lift a truck? The femur is probably going to break. Femur is considered a stiff 3. ultimate strength X fracture yield but fragile material; the bone will break under a large E enough force. The linear relationship (Hooke's law) only applies for an elastic region. Beyond this the material post-yield strain will begin to yield and eventually fracture. Strain 4. Assume the bone will fracture if more than 1.5 x 108 N/m2 is exerted. What is the maximum force that can be exerted on the femur bone? Stress

2. Let's look at the femur – the largest, longest, and strongest bone of the human skeleton. Let's do some calculation to see if it makes sense. How much does the femur shorten when you stand on one foot? (With no stress the femur is about 0.5 m long. The cross-sections effective area is approximately 370 mm2.) would happen if you try to lift a truck? The femur is probably going to break. Femur is considered a stiff 3. ultimate strength X fracture yield but fragile material; the bone will break under a large E enough force. The linear relationship (Hooke's law) only applies for an elastic region. Beyond this the material post-yield strain will begin to yield and eventually fracture. Strain 4. Assume the bone will fracture if more than 1.5 x 108 N/m2 is exerted. What is the maximum force that can be exerted on the femur bone? Stress

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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Concept explainers

Mechanical Properties of Solids

There are three types of matter- solid, liquid and gas. Out of them, solids have a rigid shaped and size. The intermolecular forces of attractions in solids are greatest. Mechanical properties are the physical properties of a material which it shows, when it is provided with certain amount of force or load. These properties are to be kept in mind for various purposes. When a force is applied to an object, the object may or may not get deformed depending upon its elastic property. But every time the object develops a restoring force against the force applied. This is commonly known as stress. If the object changes its dimensions due to the force applied it develops strain ( which is the ratio of change in dimension to the original dimension).

Question

2. Let's look at the femur – the largest, longest, and strongest bone of the human skeleton. Let's
do some calculation to see if it makes sense. How much does the femur shorten when you
stand on one foot? (With no stress the femur is about 0.5 m long. The cross-sections effective
area is approximately 370 mm2.)
would happen if you try to lift a truck? The femur
is probably going to break. Femur is considered a stiff
3.
ultimate
strength
X fracture
yield
but fragile material; the bone will break under a large
E
enough force. The linear relationship (Hooke's law) only
applies for an elastic region. Beyond this the material
post-yield
strain
will begin to yield and eventually fracture.
Strain
4. Assume the bone will fracture if more than 1.5 x 108 N/m2 is exerted. What is the maximum
force that can be exerted on the femur bone?
Stress

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