A spring is 10 cm long. When a 50 g weight is hung on it, the length becomes 12 cm. What will be the length of the spring if a 150 g weight is hung on it (assuming it is within its elastic limit)?
Show Worked Solution
Worked Solution
Step 1: Original length = 10 cm.Step 2: Extension for 50 g = 12 - 10 = 2 cm.Step 3: Extension for 150 g (3 times the weight) = 2 cm x 3 = 6 cm.Step 4: New length = 10 cm + 6 cm = 16 cm.
Correct answer: 16 cm
Want more questions like this? Superholic Lab has 10,000+ MOE-aligned questions with full worked solutions.
Start Free Trial — 7 Days Free