Standard Science Primary 6 Interactions

A spring has an original length of 20 cm. When a 200g load is added, its length becomes 26 cm. What is the extension of the spring when a 100g load is used?

A 6 cm
B 23 cm
C 3 cm
D 13 cm
Show Worked Solution

Worked Solution

Step 1: Extension for 200g = 26cm - 20cm = 6cm. Step [2-9]: Since 100g is half of 200g, the extension is 6cm / 2 = 3cm.

Correct answer: 3 cm

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