Which answer describes compression?
Compression is a force that acts to squeeze an object
Compression is a force that acts to stretch an object
Compression is a force that acts to push objects that are in contact in opposite directions.
Tension is a force that acts to push objects that are in contact with each other in opposite directions.
Bending an object is an example of ❌
An arch can support large loads because _________.
It spreads the weight throughout it
it is
it can withstand gravity
A beam
is a flat structure that is supported on each end
bends when there is too much load in the middle
What is structural stress?
when all the forces are acting on an object
when there is repeated abnormal use of an object.
What is structural fatigue?
when there is repeated abnormal use of an object
when a structure can no longer withstand acting on it
What is structural failure?
when an object can no longer withstand forces
when all forces are acting on an object at the same time
