Standard Science Primary 6 Interactions

Four identical springs, A, B, C, and D, were tested with different weights. The results are shown in the table. Which spring has the greatest extension per unit mass?

A Spring A
B Spring C
C Spring D
D Spring B
Show Worked Solution

Worked Solution

Step 1: Calculate the extension per 10g for each spring. Step 2: Spring A = 2cm/10g = 0.2, B = 3cm/20g = 0.15, C = 5cm/40g = 0.125, D = 4cm/10g = 0.4. Step 3: Spring D has the highest ratio.

Correct answer: Spring D

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