Determine the magnitudes of f1, f2 and f3 for equilibrium of the particle.

Coiled springs ought to be very strong and stiff. si3n4 is a strong, stiff material. would you select this material for a spring? explain.

The thermal expansion or contraction of a given metal is a function of the f a)-density b)-initial temperature c)- temperature difference d)- linear coefficient of thermal expansion e)- final temperature f)- original length

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