📅 2026-04-25

Daily Math Challenge

📚 Science ⭐ Medium 🎓 Grade 3-5
A pulley system has a mechanical advantage of 4. If you pull with 20 N of force, how much weight can you lift?
Answer
80 N

📝 Step-by-Step Solution

1
Your force: 20 N
2
Mechanical advantage: 4
3
Weight lifted: 20 × 4 = 80 N
💡 Helpful Hints
• Multiply your force by mechanical advantage