im having bother writing the conlcusion for hookes law experiment, can anyone help or point me in the right direction ?
RobinSky said:I recently finished my first course in mechanics (or maybe I should call it physics course A, however...) but we also talked a bit about Hooke's Law. Unfortunately my teacher wasn't a "real" teacher in physics (actually he was a teacher of Mechanical engineering) and it doesn't look like we learned the "real" Hooke's law, can anyone explain to me what this is then in simple terms?:
σ = Eε
My teacher told us that this (^) was hooke's law. A quick look on wikipedia shows F=-kx, but also I can find σ = Eε if I scroll down a bit.
I know that sigma is the stress caused on a certain area (like the area of the cable holding up an elevator), E is the elastic modulus of a certain material, and epsilon, umm I don't know the word for it in english but I know what it is. :)
Thanks in advance.
Hooke's Law is a principle in physics that states the force needed to extend or compress a spring is proportional to the distance the spring is stretched or compressed. This relationship is represented by the equation F = kx, where F is the force, k is the spring constant, and x is the distance.
The purpose of a Hooke's Law experiment is to verify the relationship between the force applied to a spring and the resulting displacement. This helps to understand the properties of springs and their behavior under different conditions.
To set up a Hooke's Law experiment, you will need a spring, a ruler, a weight hanger, and weights. First, attach the spring to a stable surface. Then, hang a weight hanger from the bottom of the spring. Next, measure the length of the spring without any weights attached. Finally, add weights to the hanger and measure the length of the spring again. Repeat this process with different weights to collect data.
Some common sources of error in a Hooke's Law experiment include friction in the spring, inaccurate measurements of the spring length, and imprecise measurements of the weights. It is important to minimize these errors by using proper equipment and techniques.
Hooke's Law is used in many real-life applications, such as designing springs for different purposes, including shock absorbers, trampolines, and car suspensions. It is also used in engineering and construction to determine the amount of force needed to maintain the structural integrity of buildings and bridges.