The rigid beam gh is supported by two cylinder members (ab and ef). a third cylinder (cd) is positioned directly between ab and ef. a gap of 0.04 mm exists between the bottom of gh and the top of cd. when a distributed load of 150 kn/m is applied to member gh, determine the internal compressive loads in the three cylinders. diameters of ab, cd, and ef

explanation:

could i give you a exaplo that could you?

the box does not move because you need to use a force greater than 300 n. you are only using 50 n. it needs to at least be 301 n for the box to move because then it is an unbalanced force and it will move the way that the greater force is pushing it. if you use only 300 n it will be a balanced force and will not move because the force you are exerting on the   box is the same as its force.

hope this !

im sorry if i went too in depth, i am going to include a link to a video on khan academy that will explain this.   hope that you like the video and that it explains more in detail to you.

that is the link.

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