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