Tension Protractor
The tension in the left string is greater than in the right string because the angles are different.
Outside degree scale can be rotated to set the zero.
String
30˚ Angle Reading
15 cm Diameter
The red arrow indicates tension reading (5.0 N) of the torsion spring scale.
Tension Protractor
Tension Protractor
Tension Protractor
A 50 gram mass hangs vertically from the Tension Protractor: The tension reads 0.5 N as expected and the outer degree scale is dialed to align the 90° mark with the string. This compensates for unlevel tables or bent rods.
U.S. Educator Price
$124

A spring scale and a protractor integrated into one device. Perfect for vector analysis of forces.

What's Included
  • 1x Tension Protractor
What to Consider

See the Buying Guide for this item's required, recommended, and additional accessories.