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Technology
Technology(Mechanisms;Leavers)
Question | Answer |
---|---|
What are leavers used for? | Lifting heavy weights with the least amount of effort |
What is the fulcrum? | The place where the mechanism pivots(rotates) |
What is the load? | Wieght |
What is the effort? | The force applied by the user to move the object |
Give an example of a leaver | A brake(the brake leaver) |
Give an example of a type 1 leaver | A see-saw |
Give an example of a type 2 leaver | A wheelbarrow |
Give an example of a type 3 leaver | A fishing rod |
What is the law of the leaver/principal of moment | It states that clockwise moments are equal to anticlockwise moments |
What is an equilibrium? | When an object is balanced and still |
what is the calculation for leavers | (Law of the leaver) Clockwise moments=Anticlockwise moments |
Name four types of forces | Compression,tension,torsion and shear |
What is compression? | A pushing force |
What is tension? | A pulling force |
What is torsion? | A twisting force |
What is shear? | A cutting force |