Question

A 4m long steel beam with a cross sectional area of 1 ×10^-2 m^2 and young modulus is 2 ×10^11 m^2 is wedged horizontally between two vertical walls in order to wedge the beam it is compressed by 0.020mm if the coefficient of static friction between the beam and the wall is 0.7 then the maximum mass (including it's own) it can bear without slipping is?

Answer 1

Answer:

Sorry dude I don't know .... please search it on google