Standard Science Primary 6 Interactions

The original length of a spring is 15 cm. When a 100g weight is hung on it, the length becomes 18 cm. What is the extension of the spring?

A 15 cm
B 3 cm
C 18 cm
D 33 cm
Show Worked Solution

Worked Solution

Step 1: Extension = New Length - Original Length. Step 2: 18 cm - 15 cm = 3 cm.

Correct answer: 3 cm

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