Mechanics is the study of bodies under the action of forces. It is the foundation of many engineering topics and is an indispensable prerequisite to their study. O True O False

The aluminum alloy designated as 5056-H28 means the following: this is a non-heat-treatable alloy of aluminum and magnesium, that has not been modified where 56 represents the specific alloy. The "H2" means that the alloy is strain hardened and partially annealed and the "8" means that the alloy is in full hard condition.  True  False

True or false ?