Transformation Of Mechanical Energy Into Heat

Purpose

To demonstrate transformation of mechanical energy into heat.
 

Equipment

Quarter-inch electric drill, 1/4" dowel rod, soft wood block.

 

Suggestions

Teach this to a Boy Scout.
 

Images

i5-02

Description

Use an electric drill to spin a wooden dowel rod in a hole on a large wooden beam. Shortly the contact point begins to smoke, indicating generation of heat due to friction.