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Weight (Mass) — 25-Question Test
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Key Concepts — Quick Reference
This chapter
Standard units of mass (learn the ladder)
| Gram and kilogram | 1 kg = 1000 g |
|---|---|
| Half and quarter kilogram | 1/2 kg = 500 g, 1/4 kg = 250 g |
| Quintal | 1 quintal = 100 kg |
| Tonne (metric ton) | 1 tonne = 1000 kg = 10 quintals |
Comparing weight on a balance
| Balanced pans | pans level → left weight = right weight |
|---|---|
| Heavier side | a pan goes DOWN → that side is heavier |
| Lighter side | a pan goes UP → that side is lighter |
| Find the unknown | unknown = known weights that make the pans level |