1J40.15 - Torque Wrench | Instructional Resources and Lecture Demonstrations

Hook the large torque wrench onto the nut and tighten to 30 Newtons using the Newton scale.

Show that when using the small wrench to loosen, that it takes upwards to 90 Newtons before the nut breaks free.

Code Number:

1J40.15

Demo Title:

Torque Wrench

Condition:

Good

Principle:

Center of Mass

Area of Study:

Mechanics

Disclaimer

Equipment:

Torque wrench, small socket wrench, 13/16 deep well socket, 40 and 100 Newton scales, bolt welded to rod support.

Procedure:

Hook the large torque wrench onto the nut and tighten to 30 Newtons using the Newton scale. Show that when using the small wrench to loosen, that it takes upwards to 90 Newtons before the nut breaks free.

References:

Richard W. Cole, "Torque and the Bending of Conduit", TPT, Vol. 13, # 3, March 1975, p. 170.
Borislaw Bilash II, “Effort Overcomes Resistance“, A Demo A Day – A Year of Physical Science Demonstrations, p. 261.

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