Joints and Connectors
A push or a pull.
What is a force?
When measuring the force of a load, you measure it in _______.
What is NEWTONS
When you kick a soccer ball, you produce this type of internal stress on the ball.
What is compression
These joints do not move
What are rigid joints
Compression and tension causes “______ & ______”
What is BENDING and BUCKLING
This is the force of gravity acting on an object.
What is weight?
This type of internal stress occurs within a rope during a game of tug-of-war
What is tension?
This structure type is solid throughout and very heavy.
What is a mass (solid) structure?
These joints allow movement
What are mobile joints
These are the 4 main types of forces that cause failure
What is COMPRESSION, TENSION, SHEAR, TORSION
When you put yourself on a scale, are you measuring your mass? or your weight?
Your mass!
A beaver dam is an example of this type of structure.
What is a natural structure?
Name one way to fasten a rigid joint.
What are nails, screws, bolts, glue, or welding?
A force that occurs when two surfaces rub together.
What is friction?
The unit for weight.
What are newtons (N)?
The CN Tower is an example of this type of structure.
What is a human-made structure?
Where you want the MOST friction in a structure. ( Where do you want most of the mass?)
What is at the base/foundation where it touches the ground?
If a dog has a mass of 68 kg, this is her approximate weight on Earth.
(1 kg ≈ 10 N)
What is 680 N?
A spider web and the Golden Gate Bridge are both structures. Explain how they are different.
What is one is natural and one is human-made (built by people)?