After the first failure the load once again increases or maintains the strength until the next fracture. Discuss what is physically happening during this process.

If you were designing a bumper for a car, would you prefer it to exhibit elastic or plastic deformation? why? consider the functions of a bumper in both a minor "fender-bender" and a major collision.

What difference(s) did you notice using a pneumatic circuit over hydraulic circuit.explain why the pneumatic piston stumbles when it hits an obstacle.

The higher the astm grain-size number, the coarser the grain is. a)-true b)-false