INCLINED PLANE,WEDGE AND SCREW
on the out side
external
A screw is simply a form of a wedge.
false
A major factor in the use of the inclined plane is _________.
friction
The efficiency of the wedge is low because of _______.
friction
A steep slope requires________ force over a _________ distance.
greater, shorter
a ramp or a slope
inclined plane
An inclined plane reduces the _____________ needed to move a load vertically.
input force
on the inside
internal
The item in Figure 18 which uses an internal inclined plane is the _____.
nut
Which one of the following is not an example of the wedge? ax, saw, nail, chisel
saw
An inclined plane wrapped around a cylinder makes a machine called a ________.
screw
an inclined plane wrapped around the cylinder
screw
To increase IMA, decrease the _____ of the ramp.
slope
A gentle slope requires ________ force over a ________ distance.
smaller, greater
The mechanical advantage of the wedge increases as it gets _____.
thinner
The screw has very low efficiency.
true
a double inclined plane
wedge
