Force Of Rubber Band

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Force of rubber band.

This is equal to one half the mass of the rubber band multiplied by its velocity in meters. How much does the rubber band stretch when you hang the object from the end of the board. Understanding the physics of elasticity requires a knowledge of advanced mathematics chemistry and statistical physics particularly the concept of entropy. In rubber the elastic force is due to the thermal interactions of the molecules within the material.

To get it there you have to apply a force to overcome gravity for a certain distance the height of the table. The gravitation potential energy is equal to the force times the distance the. Rubber polymers chain together to form an entropic spring and is a standard example of an entropic force. Say i have a rubber band wrapped around 2 pegs at a certain distance and at that distance i know the pounds of force per inch it is pulling at.

When the rubber band is released the potential energy is quickly converted to kinetic motion energy. There are several molecular mechanisms that work together to produce the elastic force. 3 16 inch orthodontic elastic rubber bands 300 pack natural heavy force 6 5 oz. After you get the rubber band stretched just a little bit it is very spring like.

For example if the pegs are placed such that the band is stretched to 52 inches the force the bands apply to the pegs are 57 6 lbs per inch. In this case the linear function fitting the straight part of the data gives a spring constant of 17 38 n m. The rubber band can slip relative to the wooden axle preventing the wheels from spinning.