Final answer:
The modulus of elasticity for steel in pounds per square inch (lb/in²) represents the ratio of stress to strain for steel. A high modulus of elasticity indicates that steel is hard to deform, while a low modulus of elasticity indicates that steel is easily deformed.
Step-by-step explanation:
The modulus of elasticity for steel in pounds per square inch (lb/in²) is a measure of how stiff or rigid the steel is. It represents the ratio of stress to strain for steel. A high modulus of elasticity means that a large stress will produce only a small strain and minimal deformation, indicating that the steel is hard to deform.
On the other hand, a low modulus of elasticity means that a small stress will produce a large strain and noticeable deformation, indicating that the steel is easily deformed.
For example, if we apply the same stress on a rubber band and a steel band of the same dimensions, the rubber band will experience larger strain and deformation because its elastic modulus is much smaller than that of steel.
Therefore, the modulus of elasticity for steel is an important property to consider in engineering and construction applications.