ChrisTesting the sail strength

Large machines like the one shown here are used to test the strength of fabrics and other materials like metals and plastics.

The fabric is attached to the clamps and the machine stretches it until the material breaks.

It's like a giant force meter! The force needed to break the fabric is shown on the computer screen.

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Move your mouse over the picture to see some labels.

Then let's test some sail cloth to find which is strongest.