True or false about elasticity

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Strain has no units.

2. Statement is true

   Yes

   Statement

   Bulk modulus applies to gases as well as solids.

3. Statement is true

   No

   Statement

   Young modulus is relevant for liquids.

4. Statement is true

   No

   Statement

   Elastomers obey Hooke law closely.

5. Statement is true

   Yes

   Statement

   A ductile material has its ultimate and fracture points far apart.

Instructions

Decide whether each statement is true or false.

Explanation