3.+Strength+&+stiffness+of+structures+i.e+evaluate+importance+of+strength+&+stiffness+in+design+context+i.e+Stiffness+=+.......+Factors+of+safety=+..................deflection+normal+max+load

Type in =Strength And Stiffness=

9.3.1 Explain the relationship between deflection and stiffness in structures.
//If an external load is applied to some part of a structure, that part will be deflected to an extent that depends on the size of the load and the stiffness of the structure.//

9.3.2 Calculate the stiffness of a structure.
//Stiffness=load/deflection//

9.3.3 Outline what is meant by bending moment in relation to structures.
//This is the moment that a beam has to resist in bending at a particular section.// Society of robots website has a simple explanation.

9.3.4 Outline what is meant by moment arm.
//The load × distance from the pivot is called the moment about the pivot. The distance between the load and the pivot is called the moment arm.//

9.3.5 Explain the need for a factor of safety in structural design.
//Structures are designed to take higher loads than those they are normally expected to support.//
 * An Article on FoS from bookrags.com
 * Factor of safety
 * Factor of safety from Uni West Aust. Includes a table of FoS 's

9.3.6 Calculate the factor of safety for a structure.
//Factor of safety = design load/normal maximum load//

9.3.7 Apply the concept of factor of safety to other areas of design.
//A factor of safety is simply the ratio of the quantitative value of a design (factor) divided by the normal maximum expected value.//
 * Chain Safe working loads Website explains more

9.3.8 Evaluate the importance of strength and stiffness in a design context.
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