Inclined Plane, Wedge, and Screw

What is an inclined plane?

A flat surface set at an angle or incline with no moving parts.

What are the properties of a screw?

Change rotary motion into linear motion Used as a threaded fastener Large MA Large amount of friction loss

How do you solve for IMA with a screw?

Circumference/ pitch

What does metric info show?

Diameter and pitch

What does US thread info show?

Diameter and thread per inch

How do you solve for AMA of a wedge?

Fr / Fe

How do you solve for AMA with a screw?

Fr / Fe

How do you solve for the AMA of an inclined plane?

Fr / Fe

What are the two components of a screw?

Inclined plane wrapped around a cylinder, forming the path and pitch Wheel and axle used to create rotary motion

What is a wedge?

It functions as a moving inclined plane. Tapers at a thin edge and is used for splitting, lifting heavy bodies, or for tightening by being driven into something.

How do you solve for IMA of a wedge?

L (perpendicular to height) / H

How do you solve for the IMA of an inclined plane?

L (slope) / H

How do you solve for efficiency?

[AMA / IMA] * 100

Pythagorean Theorem

a²+b²=c²