Buoyant force in real life — task. Science CBSE, Class 8 New.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Choose the best answer below:

1. Why does a swimmer feel lighter while standing in a swimming pool?

Water exerts an upward buoyant force
The swimmer loses weight permanently
Water reduces body mass
Gravity becomes weaker in water

2. Why does an ice cube float on water instead of sinking?

Ice has lower density than water and buoyant force supports it
Ice has no weight
Water becomes solid under ice
Ice has greater density than water

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