person gripping a torque bar horizontally; masses are hung on the bar on a hook near the handles

Code Number: 1J40.10

Demo Title: Grip Bar

Condition: Good

Principle: Torque

Area of Study: Mechanics

Equipment:

Torque bar, masses

Procedure:

Grip the torque bar and hold it so that it is horizontal. Hang some masses on the bar starting with the hook nearest the handles. See how far out on the bar you can hang the masses before you can no longer hold the bar horizontal.

References:

Borislaw Bilash II, David Maiullo, "Hold That Torque", A Demo a Day: A Year of Physics Demonstrations, p. 146.

Video Credit: Jonathan M. Sullivan-Wood

1J40.10 - Grip Bar

1J40.10 - Dr. James Wetzel, PHYS 1611 - Grip Bar

Disclaimer

These demonstrations are provided only for illustrative use by persons affiliated with The University of Iowa and only under the direction of a trained instructor or physicist. The University of Iowa is not responsible for demonstrations performed by those using their own equipment or who choose to use this reference material for their own purpose. The demonstrations included here are within the public domain and can be found in materials contained in libraries, bookstores, and through electronic sources. Performing all or any portion of any of these demonstrations, with or without revisions not depicted here entails inherent risks. These risks include, without limitation, bodily injury (and possibly death), including risks to health that may be temporary or permanent and that may exacerbate a pre-existing medical condition; and property loss or damage. Anyone performing any part of these demonstrations, even with revisions, knowingly and voluntarily assumes all risks associated with them.