Question

Explain buoyancy force.

Answer 1

Buoyancy  force is defined as  force exerted by a fluid in the upward direction which opposes the weight of an object is partially or fully immersed.

The formula Buoyancy  force is

$F_B=\rho _{fluid}Vg$

Here $\rho_{fluid}$ is the density of an object, V is volume and g is the acceleration due to gravity.