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Course: Bridge Course Class 9th Science > Unit 4
Lesson 1: Force and Gravitation- Force has direction and magnitude
- What is Pressure?
- Effect of different force on same contact area
- Definition and units of force and pressure
- Volume of block is equal to volume of water displaced
- Why do objects float?
- What is Buoyant force?
- Buoyant force
- Buoyant force equals weight of displaced liquid
- Liquid exerts pressure in all the directions
- Effects of pressure in daily life
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Why do objects float?
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