Explain why force vibrations considered to be destructive and causes damage.

2. What is the mechanical advantage of a claw foot hammer having a handle with a length of 45 cm and head length of 10 cm?

Cases of mechanical vibration laws (in brief)

Ductile materials have more impact strength compared to brittle materials. Select one: True False

There may be cases where an extensometer is used in the metal tensile test and cases where it is not. At this time, explain the part where the most difference appears in analyzing the results of the two experiments.

Besides using strain gauges, name and describe two  alternative ways of measuring strains or deformations. List two   benefits of using each strain measuring system, compared to   strain gauges.