A body is held immersed in a liquid .
State how do the magnitudes of two forces mentioned in part.

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Solution

Magnitude of the forces acting on the body can determine whether the body will sink or float.
The body will sink if the weight of the body is greater than the upthrust acing on it whereas the body will float if the weight of the body is equivalent to or lesser than the upthrust acting on it.

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Similar questions

A body is held immersed in a liquid.

(i) Name the two forces acting on the body and draw a diagram to show these forces.

(ii) State how do the magnitudes of two forces mentioned in part (i) determine whether the body will float or sink in the liquid when it is released.

(iii) What is the net force on the body if it (a) sinks, (b) floats?

ρ_{1} v_{1} g

= ρ_{1} v_{1} g + ρ_{2} v_{2} g

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