Hello, I have a physics question. Thanks in advance :) Question:  To escape a burning building, Arnold has to jump from a third-story window that is about 10.0 m above the ground. Arnold is worried about breaking his leg. The largest bone in Arnold’s leg is the femur, which has a minimum cross-sectional area of about 5.00 × 10−4 m. Arnold has a mass of 93.0 kg.   If Arnold lands on the ground with his legs stiff, and if his femur can compress only about 5.00 mm, what is the compressive stress on each femur?   If Arnold lands in deep snow, then his legs can move about 30.0 cm between the time they first hit the snow and the time he comes to a complete stop. What is the compressive stress on each femur?

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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).