Question 1

What is elasticity?

Accepted Answer

The ability of a material to return to its original shape after being stretched or compressed

Answer

The ability of a material to absorb energy without breaking

Answer

The ability of a material to stretch without breaking

Answer

The ability of a material to conduct electricity

Question 2

What is the SI unit of elasticity?

Accepted Answer

Pascal

Answer

Volt

Answer

Newton

Answer

Meter

Question 3

What is Young’s modulus?

Accepted Answer

A measure of the stiffness of a material

Answer

A measure of a material’s ability to absorb energy without breaking

Answer

A measure of a material’s ability to stretch without breaking

Answer

A measure of a material’s conductivity

Question 4

Which material has the highest Young’s modulus?

Accepted Answer

Diamond

Answer

Aluminum

Answer

Rubber

Answer

Gold

Question 5

What is the plastic deformation?

Accepted Answer

Deformation that remains after a stress has been removed.

Answer

Deformation that occurs before a stress is applied.

Answer

Deformation that occurs only in metals.

Answer

Deformation that disappears after a stress has been removed.

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