16 videos|69 docs|56 tests
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1. What is buoyancy? |
2. How is buoyancy calculated? |
3. What factors affect buoyancy? |
4. Why do ships float even though they are heavy? |
5. How does a submarine sink and rise in water? |
16 videos|69 docs|56 tests
|
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Explore Courses for Class 9 exam
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