Physics, 04.12.2020 18:40 michell282

In lab you find that a 1kg rock suspended above water weights 1ON .when the rock is suspended beneath the surface of the water, the scale reads 8N. (a) what is the buoyant force on the rock ?
(b) if the container of water weights 10N on the weighing scale , what is the scale reading when the rock is suspended beneath the surface of the water?
(c) what is the scale reading when the rock is released and rest at the bottom of the container ?

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