Standard Science Primary 6 Interactions

A spring has an original length of 12 cm. When a 50g mass is hung on it, its length becomes 15 cm. What is the extension of the spring?

A 12 cm
B 27 cm
C 15 cm
D 3 cm
Show Worked Solution

Worked Solution

Step 1: Identify original length (12 cm) and new length (15 cm). Step [2-9]: Extension = New Length - Original Length. Step [2-9]: 15 cm - 12 cm = 3 cm.

Correct answer: 3 cm

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