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How do you calculate the force in a pin-jointed framework?

To calculate the force in a pin-jointed framework, you can use the method of joints where you analyze each joint individually by applying equilibrium equations (sum of forces in x and y directions equal to zero). By considering the forces acting on each joint, you can determine the unknown forces in the framework. Additionally, you can use the method of sections to cut the framework into sections and analyze the forces acting on the section to calculate the forces in the members.


What are the differences between the method of sections and the method of joints in structural analysis?

The method of sections involves cutting through a structure to analyze specific sections for forces and stresses, while the method of joints analyzes the forces at individual joints in a structure to determine overall stability and strength.


What are Different methods to calculate resultant of two forces?

Two methods to calculate the resultant of two forces are the graphical method, where the forces are represented as vectors and then added tip-to-tail to find the resultant, and the trigonometric method, where the forces are resolved into x and y components and then the components are added separately to find the resultant force.


When solving vector addition problems you can use either the graphical method or the what?

Trigonometry Method. (Resolve the forces along one plane, and then again in a perpendicular plane using cos or sin function. Then use Pythagoras's theorem to work out the hypotenuse (a2+b2=c2). Then use 'Soh Cah Toa' to work out the correct angle of the resultant Force.


Find the resultant of two unlike and unequal parallel forces acting on a rigid body?

To find the resultant of two unlike and unequal parallel forces acting on a rigid body, you can use the parallelogram method. Draw a parallelogram with the two forces as adjacent sides, then draw the diagonal from the point where the two forces intersect. The resultant force is represented by this diagonal and can be calculated using the magnitude and direction of the forces.