Recent content by codz30

Homework Statement A crane consists of a crane arm which is held in place and moved by strong steel cables. The crane arm is a truss structure, which is a rigid framework of quite thin steel beams welded together, forming many triangles. The cables are made of steel and they are not one...

Homework Statement A ball of mass m on the end of a string is released from rest when the string is held horizontal eg: 0----- Prove that as the ball moves through the lowest point in its swing the string has a magnitude equal to three times the weight of the ball. Homework Equations...