Standard Science Primary 6 Interactions

Which of the following does NOT use elastic spring force to function?

A A weighing scale
B A trampoline
C A wooden ruler
D A stapler
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Worked Solution

Step 1: Identify which objects rely on the stretching or compression of a spring. Step [2-9]: Trampolines, staplers, and scales use springs. Step [2-9]: A simple wooden ruler is a solid object and does not use a spring mechanism.

Correct answer: A wooden ruler

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