Um bloco de madeira tem 0,6 m x 0,6 m x 0,6 m, se ele tem 72 kgf de peso determine a pressão que ele exerce sobre a superfície de apoio

When a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false

What is created when solids,liquids,an gases mix with one another

Determine the change in width a, height b, thickness t when a plate is subjected to the uniform distributed load and is made of material having modulus of elasticity e=230 gpa and poisson's ratio ν=1/3. given : a=400 mm and b= 300 mm also the uniformly distributed load in downward y direction of plate is 2 mn/m and in the positive x direction is 3 mn/m and t=20 mm