Standard Science Primary 6 Interactions

A spring has an original length of 8 cm. When a 20g load is added, the length becomes 10 cm. What is the extension caused by the 20g load?

A 10 cm
B 8 cm
C 2 cm
D 18 cm
Show Worked Solution

Worked Solution

Step 1: Extension = Final Length - Original Length. Step [2-9]: Extension = 10 cm - 8 cm = 2 cm.

Correct answer: 2 cm

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