Unit 4. Structures and mechanism

Unit 4. Structures and mechanism

1. Structures

   • loads
     • stress
       • conditions
         • stability
         • resistence
         • rigidity
   • massive
   • vaulted
   • lattice
   • suspended

2. Mechanism

   • simple machines
     • pulleys
     • levers
   • to transform motion
     • rack and pinion
     • cam
     • eccentric wheel
     • crank and rod
   • to transmit motion
     • ratio
     • wheels
     • worm gear