How to calculate the force at both ends of the connecting rod

1. If there is a major potential safety hazard in the equipment before the accident, and it is expected that the accident will happen sooner or later, it will not cause enough attention, and eventually lead to the accident, which is an unsafe behavior of human beings

2. According to the principle of moment balance, starting from the support point, the force on both sides multiplied by the arm of force is equal, and the equation is given

3. According to the principle of moment balance. Starting from the support point, the force on both sides multiplied by the arm of force is equal, and the equation is listed for solution.

4. First of all, there is no need to use force method to solve this problem, which is the basic component of displacement method. If you want to know the solution of the force method, you can roughly say: 1. Remove the rendant connection, make the structure become a statically determined basic structure, and replace the removed constraint with the corresponding rendant force; 2. The principle is: under the joint action of the rendant force and the original load, the displacement at the place where the rendant constraint is removed is equal to the corresponding displacement in the original structure; 3. The displacement of unit load of each external force is calculated by Graph Multiplication, and then the rendant force is solved by typical equation; 4. According to the resial force and the original load, the internal force of the original structure can be calculated according to the statically determined structure. The general idea is like this. I won't write the specific calculation. The process is complicated. If you don't understand, you can read the textbook of structural mechanics.

5. The fixed beam at both ends does not proce horizontal reaction under the load perpendicular to the beam axis, so several unknown variables can be reced. Of course, the selection of equivalent structure is also very important for solving the equation, and the simplest variable structure should be selected.

6. When there is no fixed rotation, the rotation axis can be arbitrarily selected,
the point with more passing force or the point with unknown force can be selected as the rotation axis

7. This is supercomputing, that is, there are more unknowns than conditions
this is the content of university structure calculation.

8. End bearing beam