A lever balance has two identical balloons, A and B. When balloon B is pricked and the air escapes, the balance tilts towards A. This shows that __________.
Show Worked Solution
Worked Solution
Step 1: Initially, the balance was level because both balloons had the same mass of air.
Step 2: When air leaves B, B becomes lighter.
Step 3: Balloon A tilts down because it still contains the mass of the air.
Correct answer: air has mass
Want more questions like this? Superholic Lab has 10,000+ MOE-aligned questions with full worked solutions.
Start Free Trial — 7 Days Free