How do you plot a load against an extension graph?
How do you plot a load against an extension graph?
If we plot a graph of extension vs load then we obtain a straight line graph going through the origin. The elastic limit is the point beyond which the body becomes plastic. Whilst in the elastic region the spring will return to its original length when unloaded.
How do you calculate stress and strain using load and extension?
Stress
- Stress is defined as the force per unit area of a material.
- i.e. Stress = force / cross sectional area:
- Strain is defined as extension per unit length.
- Strain = extension / original length.
- Strain has no units because it is a ratio of lengths.
What does the slope of a force vs extension graph represent?
The slope of this graph is called the spring constant and is symbolized by the letter k. The area under this graph of force vs. extension is in Joules, units of energy. This is because the area is in units of Newtons (vertically) times meters (horizontally).
What does a force extension graph show?
Force-extension graphs A force-extension graph shows the extension of a material with an increasing applied load. It can be used to determine and predict the properties of the material. Materials can be classified as brittle, ductile and polymeric.
How do I calculate my extension?
Hooke’s Law
- If you measure how a spring stretches (extends its length) as you apply increasing force and plot extension (e) against force (F);
- F = ke.
- F = tension acting on the spring.
- e is extension = (l-lo); l is the stretched length and lo is original length, and.
- k is the gradient of the graph above.
What does extension mean in physics?
We measure the original length of the spring when we start. When it stretches, we measure the extension – that’s how much longer it is than it was when we started. Extension = present length – original length.
What’s the relationship between force and extension?
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.
What type of energy is stored in a coal?
Chemical energy
Is a coiled spring kinetic energy?
We are given a coiled spring that has a certain spring constant value. The energy that was stored in the spring as a result of the compression will now be transferred completely into the kinetic energy of the object (assuming resistance force).
What type of energy is a boulder resting at the top of a hill?
potential energy
What type of energy is a coiled spring?
Elastic energy
Does thermal energy have kinetic energy?
Thermal energy comes from a substance whose molecules and atoms are vibrating faster due to a rise in temperature. Kinetic energy is the energy of a moving object. As thermal energy comes from moving particles, it is a form of kinetic energy.
Does thermal energy depend on mass?
If two objects have the same mass, the object with the higher temperature has greater thermal energy. Temperature affects thermal energy, but temperature isn’t the same thing as thermal energy. That’s because an object’s mass also affects its thermal energy. Therefore, the cocoa has a higher temperature.
What are 2 types of thermal energy?
Thermal energy are of three types.
- Conduction,
- Convection and.
- Radiation.