Standard Science Primary 6 Interactions

A spring is stretched by 4 cm when a 20g load is attached. If a 60g load is attached instead, what is the total extension of the spring?

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

Worked Solution

Step 1: 20g causes 4cm extension. Step [2-9]: 60g is 3 times heavier than 20g. Step [2-9]: Extension = 4cm x 3 = 12cm.

Correct answer: 12 cm

Want more questions like this? Superholic Lab has 10,000+ MOE-aligned questions with full worked solutions.

Start Free Trial — 7 Days Free