D.7 Flashcards
1
Q
What is Friction?
A
The force that results when
two surfaces rub against each
other
2
Q
What type of surface produces
more frictional force? Why?
A
A rough surface, because there is more surface area
to rub against
3
Q
What is an arch bridge?
A
A half circle shape that
can hold great amounts of
force
4
Q
What is a beam?
A
A flat horizontal component
5
Q
what is a Column?
A
A vertical component
6
Q
Which produces more friction, a
screw or a nail?
A
Screw, because it has more
surface area rubbing
against the wood.
