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Unit D Mechanical
physical science
| Question | Answer |
|---|---|
| function | the use or purose of a structure. |
| newton | nuit for measuring force |
| symmetry | balansed arrangement of mass on opposite sides of a line or plane. |
| static load | weight of a sructure. |
| shear | force that acts to push parts that are in contact with each other in opposite directions |
| girders | long structure in the form of a hollow rectangular prism |
| cantilever | structure that is supported at only one end or point |
| deformation | a change of shape in any structural component,or in the structure is itself,because the material is unable to resist the force acting on it. |
| margin of safety | the limits within which |
| coplementary forces | tow or more for cesacting on an object at the same time |
| truss bridge | bridge supported by trusses |
| arch | curved struc ture used in bridges and gateways |
| beam | flat structure supported at both ends |
| flexibility | acting or to fanem ptycan |
| shear | to that acts to push parts that are in opposite directons shecr force |