Standard Science Primary 6 Interactions

Tim hung different weights on a spring and measured its extension. Based on the concept of elastic spring force, what happens when he removes all weights?

A The spring loses its ability to stretch.
B The spring returns to its original length.
C The spring stays at its current length.
D The spring becomes shorter than its original length.
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Worked Solution

Step 1: Elastic spring force is a restorative force. Step 2: When the stretching force (weights) is removed, the spring pulls back. Step 3: It returns to its original (unstretched) length.

Correct answer: The spring returns to its original length.

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