What is upthrust ? And state it's symbol by which it is denoted.

1.	What is upthrust ? And state it's symbol by which it is denoted.
Answer» When a body is partially or wholly immersed in a liquid, an UPWARD force ACTS on it. This upward force is KNOWN as upthrust or buoyant force. It is DENOTED by the symbol FB . Its unit is newton (N) or kgf.

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What is upthrust ? And state it's symbol by which it is denoted. ​

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What is upthrust ? And state it's symbol by which it is denoted.