Standard Science Primary 6 Interactions

A spring is 10 cm long. When a 100g weight is hung on it, it becomes 12 cm long. What will be the length of the spring if a 200g weight is hung on it?

A 20 cm
B 14 cm
C 24 cm
D 15 cm
Show Worked Solution

Worked Solution

Step 1: Extension for 100g = 12cm - 10cm = 2cm. Step 2: Extension for 200g = 2cm × 2 = 4cm. Step 3: Total length = Original length (10cm) + Extension (4cm) = 14cm.

Correct answer: 14 cm

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