What Is a Deformable System in Physics?

[serway]

I'm having trouble understanding what a deformable system is? Please give me a detailed example with your explanation.

Thanks!

 

[Spinnor]

I'm having trouble understanding what a deformable system is? Please give me a detailed example with your explanation.

Thanks!

de·form (d-fôrm)
...
3. Physics To alter the shape of by pressure or stress.

A tennis ball, a rock, a car, you, the moon, a crystal, a nucleus,