What is Hooke’s Law simple explanation?
Hooke’s Law is a principle of physics that states that the that the force needed to extend or compress a spring by some distance is proportional to that distance. … In addition to governing the behavior of springs, Hooke’s Law also applies in many other situations where an elastic body is deformed.
What is Hooke’s law for stress and strain?
Hooke’s law states that the strain of the material is proportional to the applied stress within the elastic limit of that material. When the elastic materials are stretched, the atoms and molecules deform until stress is been applied and when the stress is removed they return to their initial state.
What does Hooke’s Law investigation?
Hooke’s law states that the extension of a spring is directly proportional to the force applied, provided that the elastic limit is not exceeded. The aim of the experiment is to investigate the relationship between a force and the extension of a spring, and see if the spring obeys Hooke’s law.
What does F KX mean?
F=−kx. where: x is the displacement of the spring’s end from its equilibrium position (a distance, in SI units: meters); F is the restoring force exerted by the spring on that end (in SI units: N or kg·m/s2); and. k is a constant called the rate or spring constant (in SI units: N/m or kg/s2).
Where is Hooke’s law used?
For this reason, Hooke’s law is extensively used in all branches of science and engineering, and is the foundation of many disciplines such as seismology, molecular mechanics and acoustics. It is also the fundamental principle behind the spring scale, the manometer, and the balance wheel of the mechanical clock.
What are the 3 types of stress?
Stress management can be complicated and confusing because there are different types of stress — acute stress, episodic acute stress, and chronic stress — each with its own characteristics, symptoms, duration and treatment approaches.
What is strain formula?
Strain occurs when force is applied to an object. Strain deals mostly with the change in length of the object. Strain = Δ L L = Change in Length Original Length .
How is Hooke’s Law calculated?
An ideal spring obeys Hooke’s law, F = -kx. Details of the calculation: k = |F/x| = (0.1 N)/ (0.035 m) = 2.85 N/m.
What is transferred when work is done?
Work is the measure of energy transfer when a force (F) moves an object through a distance (d). So when work is done, energy has been transferred from one energy store to another, and so: energy transferred = work done.
What is Hooke’s Law graph?
Provided that the limit of proportionality is not exceeded, a graph of stretching force against extension is a straight line through the origin, because Hooke’s Law is obeyed. … The gradient of the graph of force F, (y-axis), and extension e, (x-axis), is equal to the spring constant k.
Why is Hooke’s law important?
Hooke’s Law, by Doodle Science, on youtube.com
Hookes law is important because it helps us understand how a stretchy object will behave when it is stretched or compacted. … The main component of car shocks are springs, and understanding how the spring will behave (using hookes law) is ideal for enhancing the technology.
Why is there a negative in F =- KX?
where the minus sign shows that this force is in the opposite direction of the force that’s stretching or compressing the spring. … In Hooke’s law, the negative sign on the spring’s force means that the force exerted by the spring opposes the spring’s displacement.
Why is hookes Law negative?
Though we have not explicitly established the direction of the force here, the negative sign is customarily added. This is to signify that the restoring force due to the spring is in the opposite direction to the force which caused the displacement.