A man with a mass of 71.6 kg stands on one foot. His femur has a cross-sectional arca of 8.00 cm2 and an uncompressed length 50.6 cm. Young's modulus for compression of the human femur is 9.40 x 10° N/m?. What is the fractional length change of the femur when the person moves from standing on two feet to standing on one foot? A man with a mass of 71.6 kg stands on one foot. His femur has a cross-sectional area of 8.00 cm2 and an uncompressed length 50.6 cm. Young's modulus for compression of the human femur is 9.40 x 10° N/m2. How much shorter is the femur when the man stands on one foot? cm

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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).