Standard Science Primary 6 Interactions

Tim hung different weights on a spring and measured its extension. Based on the data, what is the extension of the spring when a 40g weight is hung?

A 8 cm
B 16 cm
C 4 cm
D 12 cm
Show Worked Solution

Worked Solution

Step 1: Identify the relationship from the table: 10g weight causes 4 cm extension. Step 2: Calculate the extension per gram: 4 cm / 10g = 0.4 cm/g. Step 3: Multiply for 40g: 40g * 0.4 cm/g = 16 cm.

Correct answer: 16 cm

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