Material Selection - Hooke's law [not]

[nik_2507]

Hey,
Can Anyone suggest me a common(Household) material that obeys Hooke's Law and is Similar to Rubber/silicon........Basically a material which helps in shock absorption.

Please note: No fluids and No gases are allowed


Thanks in Advance ;)

 

[Frabjous]

And the reason rubber/silicon will not work is?

 

[berkeman]

Welcome to PF.

Hey,
Can Anyone suggest me a common(Household) material that obeys Hooke's Law and is Similar to Rubber/silicon........Basically a material which helps in shock absorption.

Please note: No fluids and No gases are allowed

Thanks in Advance ;)

Is this question/project for your schoolwork? What materials have you considered so far?

 

[nik_2507]

And the reason rubber/silicon will not work is?

They don't obey hooke's law.

 

[berkeman]

Please answer my question about the schoolwork project so we can make sure this thread is in the proper forum. Thanks.

Basically a material which helps in shock absorption.

Shock absorbers do not obey Hooke's Law...

 

[Frabjous]

They don't obey hooke's law.

Why is that a requirement?

 

[mcastillo356]

Hi, @nik_2507

Hey,
Basically a material which helps in shock absorption.

My wooden bed frame is the only thing obeys Hooke's Law at my home.

Please answer my question about the schoolwork project so we can make sure this thread is in the proper forum.

That would be nice, @nik_2507

Shock absorbers do not obey Hooke's Law...

I might be posting without enough common sense.

 

[berkeman]

My wooden bed frame is the only thing obeys Hooke's Law at my home.

TMI! We will not allow pictures or videos, just so we are clear about that...

 

[nik_2507]

Welcome to PF.


Is this question/project for your schoolwork? What materials have you considered so far?

Yep Its for an egg drop project. project . I did consider cotton and steel spring but I would like to give those 2nd priority. I am looking for other and better materials.

 

[nik_2507]

Please answer my question about the schoolwork project so we can make sure this thread is in the proper forum. Thanks.


Shock absorbers do not obey Hooke's Law...

I am not expecting a literal shock absorber but something that can reduce the impact of a dropped object.

 

[nik_2507]

Why is that a requirement?

The Scenario limits me to use rigid materials which obey hooke's law

 

[jack action]

Basically a material which helps in shock absorption.

Most typically "hard" materials will do if they are shaped like a spring.

 

[berkeman]

Yep Its for an egg drop project. project . I have considered cotton but I would like to give it 2nd priority. I am looking for other and better materials.

Phew, that was way too hard.

I'll move your thread to the schoolwork forums for you now. One of the requirements in the schoolwork forums is that you show the *exact* problem/project statement that you are addressing. Please show us the *exact* project requirements that you are addressing so that we can try to help you. Lordy.

 

[haruspex]

The Scenario limits me to use … materials which obey hooke's law

Which is a dumb choice for a shock absorber.
Try to state the desirable characteristics of a shock absorber. What do you need it to do?

 

[Frabjous]

The Scenario limits me to use rigid materials which obey hooke's law

I have seen three general classes of solutions
1) Deformable/ collapsable structures made of wood (sticks) or straws. Panty hose can make a nice attachement material.
2) Parachutes/gliders
3) Soft materials like sponges, popcorn or cotton
Or 4) combinations of above.