Answer:
The direction of the force at A and B is perpendicular to the walls of the container.
The direction of the force at C is down.
The direction of the force in D is up
The direction of the force at E is to the left.
The attached figure shows the forces exerted by the water at points A, B, C, D and E.
Explanation:
The water is in contact with the bowl and with the fish. It exercises at points A, B, C, D and E, but the direction is different from the force.
The fish has a buoyant force on the water and that direction is up. The direction of at point D is up.
The column of water on the fish has a downward force, therefore the direction of the force at point C is down. The water column to the right of the fish has a force to the left, and the direction at point E is to the left.
The water will exert a force on the walls of the container and this force at points A and B is a on the walls of the container.
The direction of the force at A and B is perpendicular to the walls and for C, D, and E it is down, up, and to the left respectively.
The fish exerts a force on water due to its weight, so the reaction force of the water buoyant force upwards. So, the direction of force at point D is up.
The fish is balanced underwater therefore all the forces acting on it must cancel out.
The column of water above the fish has a downward force, therefore the direction of the force at point C is down.
The water column to the right of the fish will push it to the left, so the direction of force at point E is to the left.
The water will exert a force against the walls of the container, so at points A and B, the force is perpendicular to the walls.
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