Resistance body -
DEFINITION:-
A BODY THAT SHOWS RIGID BEHAVIOURS UP A CERTAIN AMOUNT OF EXTERNAL LOAD IS CALLED A RESISTANT BODY.
A RESISTANT BODY PRACTICALLY EXISTS.WALLS, RETAINING WALLS ETC.
Deformable body -
d is not equal to constant, l is not equal to constant, and D IS not equal constant .
DIMENSIONAL CHANGE WILL BE THEM. FLUIDS ARE NOT RESISTANT BODIES.
FLUIDS ARE NOT A RESISTANT BODY.RIGID BODY:-
D = CONSTANT , L = CONSTANT , d = CONSTANT
NO DIMENSIONAL CHANGE .
STRENTH OF MATERIAL:-
SOM is the study of the internal resistance force developed during the elastic deformation of the body when subjected to external loads
material = discover.
nature =material, and men = nature so men =materials
property of the material:- internal resistance.
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