topic 1-2
This is a thing with a definite size and shape
What is a structure
This is the measure of the amount of matter in an object.
What is mass
This is a force that acts from the outside of a structure.
What is an external force
This is a device that can change the amount of force needed to move an object
What is a lever
This is something that can make a right angle into a triangle
What is a brace
Structures that happen in nature
What is a natural structure
This is a mass in relation to gravity
What is weight
this is a permanent force acting upon a structure
What is a dead load
This is a material that uses multiple materials to gain strengths from multiple sources
What is composite
thia is a standard unit of force, a very small amount. Just enough to stretch a thin rubber band
What is a newton
This is an object that acts like more than one state of matter
What is a non-newtonian substance