I5-02.HTML
I5-02: TRANSFORMATION OF MECHANICAL ENERGY INTO HEAT

PURPOSE: To demonstrate transformation of mechanical energy into heat.

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.

SUGGESTIONS: Teach this to a Boy Scout.

REFERENCES: (PIRA 4B60.50)

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

SETUP TIME: None.


Go back to Lecture-Demonstration Home Page.