After each launch have your helper.
Spring constant of a rubber band.
The variables of the equation are.
Plot graph pf elongation versus weight.
A rubber band has a spring constant of 45 n m.
Rubber is a member of a larger class of materials called elastomers and it is difficult to overestimate their economic and.
It can be stretched by up to a factor of 10 from its original length and when released returns very nearly to its original length.
Then using the scatter plot and a line of best fit students will determine the spring constant of the rubber band.
Rubber elasticity refers to a property of crosslinked rubber.
Rubber band spring constant.
The minus sign shows that this force is in the opposite direction of the force that s stretching or compressing the spring.
Shoot more rubber bands in the same way except stretch them back to 15 cm 20 cm 25 cm or 30 cm.
I measured the initial length of the rubber band 0 200 m then added 1 coin into the bag which caused a stretch in the elastic.
If i assume that i could also rotate this one.
The rotational spring constant for this thicker band is not surprisingly higher than the normal sized rubber band with a value of 4 92 x 10 4 n m.
This can be repeated many times with no apparent degradation to the rubber.
Spring constant tells you how much a spring elongates for a given weight applied within its limit.
Slope of this line is the spring constant.
For my experimental setup i hung a rubber band from a support with a container tied to the bottom of the band.
They can estimate the young s.
In this case the linear function fitting the straight part of the data gives a spring constant of 17 38 n m.
Hooke s law and elastic potential.
When the rubber band is pulled by a force of 9 8 n how far will it stretch and what is its potential energy.
Shoot at least five rubber bands for each stretch length.
Description students will use isense software to record the displacement of a rubber band as weight is added.
Rick michalka over 5 years ago this project is locked.
F which represents force k which is called the spring constant and measures how stiff and strong the spring is and x is the distance the spring is stretched or compressed away from its equilibrium or rest position.
Do it for different weights.
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