Standard Science Primary 6 Interactions

A spring extends by 4 cm when a 200g load is hung on it. If the load is replaced with a 100g load, what will the extension be?

A 2 cm
B 4 cm
C 1 cm
D 8 cm
Show Worked Solution

Worked Solution

Step 1: Extension is proportional to the load (within elastic limit). Step [2-9]: If the load is halved (200g to 100g), the extension is also halved. Step [2-9]: 4 cm / 2 = 2 cm.

Correct answer: 2 cm

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