BMX Bike with suspension
You pointed out KINETIC ENERGY, which obviously have to go somewhere. Often you've got reception, together with cycle comes at speed, but occasionally, like in bike test, the cycle places "flat" on basic cement. Occasionally, too, freeriders land on level concrete at speed, at the very least the vertical element of the fall's kinetic energy disappears.
I would personally say you will find only three locations in which this power can get:
- Most of it is neutralized because of the decelerating causes created by the rider. The greater techique and magnificence, the greater number of power could be absorbed. Frequently this means extensor muscle tissue performing an excentric contraction (using a force while becoming extended, in order to deccelerate/oppose the shared activity). This implies energy expenditure by the muscle mass cells, that can come from food calories. If the drop is high, many trial bikers would like to secure back very first, so they really do have more time and energy to work the same force, plus groups of muscles to behave during each portion of the landing (this is extremely fast, and contains regarding well rehearsed abilities).
- In a bicycle with suspension, many kinetic power might "disapear" in the dampers considering high-speed viscous movement of oil, which advances the oil temperature. Modern-day big vacation severe free-ride suspensions have actually many oil inside, dealing with lower flow rates (bigger bores, bigger valve holes) so that the oil does not attain too high temperatures.
- Eventually, the deformation of tire/terrain user interface might soak up many energy, and reduce steadily the peak-decceleration (influence) of a landing. Good landing instances would be smooth beach sand, lawn, and some forms of mud.
You should mention that rigid elements of bicycle (frame, tires) do not take up the kinetic energy, only transfer forces to elsewhere. Also, merely to add to exactly what @jm2 said, the joints just transfer the forces and (luckily) never take up any significant quantity of energy: the landing kinetic energy is couteracted by muscle tissue contraction acting through joint.
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