Show:
Forces
Newton
Structures
natural forces
100
A force is a ________ or a __________
What is push or pull
100
Force is measured using what tool?
What is spring scale
100
What is natures strongest shape?
What is the dome.
100
Name four natural phenomena that effect structures.
What is earthquake, hurricane, tornados, ice storms, floods
200
Give two examples of pushing forces
What is friction and bouyancy
200
Force is measured using what unit of measurement?
What is newton
200
What is human engeneer's strongest shape?
What is the triangle
200
What building technique is used to help hold the wight of the snow on a roof?
What is a truss
300
Give two examples of pulling forces
What is gravity and magnetic
300
What is sir Issac Newton's first law (Inertia)
What is an object is motion will stay in motion until an outside force is put upon it.
300
Why is the pyramid a very stable structure?
What is - wide foundation. Low centre of gravity. Mass at bottom.
300
What type of bridge uses triangulation to support tension and compression?
What is a truss bridge.
400
Compression is a __________ force
What is pushing
400
What is Newton's second law? (Hint - Speed)
What is F x M = A
400
What is a buttress?
What is a tringular support added to the outside of a structure.
500
Torque is a ___________ force
What is twisting force.
500
What is Newton's third Law?
What is for every action there is an equal and opposite reaction.