Under stress it was shown that the energy absorbed or released by a material is represented by the area between the curve and the extension axis of a force extension graph.
Force extension rubber band.
Investigate the speed of sound in air.
Determine the approximate percentage by volume of oxygen in air using a 6 12 understand why a force is exerted on a current carrying wire in a magnetic field and 3 25 practical.
If you repeatedly stretch and release a rubber band you can feel the effect of heating caused by hysteresis.
Piece of elastic stretches when a load force is applied and the amount by which the stretch is reduced when the load is removed.
Aim in simpler terms.
1 23 know the the initial linear region of a force extension graph is associated with hooke s law.