Quote (russian @ Mar 29 2017 05:59am)
Do you understand what the word "rigid" means?
I don't know what you call whatever that guy in the GIF did to the spring, but it sure looks like "bending" to me.
If springs were rigid, they would be completely useless. A rigid spring is just a metal bar. If your car had suspension springs that fully transferred force from one end to the other, they wouldn't dampen anything - every impact felt by the wheel would fully transfer to your seat. The whole point of springs is NOT to be rigid. They need to absorb energy by flexing.
What a surprise - you cherry picked the definition on a word to make it fit your bias, ha. What word would you suggest that could efficiently describe the difference between the properties of a bowl of Jello and and that of an Ice cube are the exact same because they're both made of water, because that is what you doing when you're saying a slinky is a spring. And rigid itself does not always mean just completely inflexible ever - as in only the man of steel could bend it. In mechanics it referes to being able to transfer tension from one end to the other, that it remains rigid in space.
I notice you didn't include these definitions of that word because you're completely intellectual dishonest to yourself and everyone.
4. exacting; thorough; rigorous:
a rigid examination.
5.
so as to meet precise standards; stringent:
lenses ground to rigid specifications.
6.
Mechanics. of, relating to, or noting
a body in which the distance between any pair of points remains fixed under all forces; having infinite values for its shear modulus, bulk modulus, and Young's
modulus.
A Slinky does not remain rigid in space when tension is applied at opposite ends and is therefore not a spring.
This post was edited by card_sultan on Mar 29 2017 12:13pm