An aquarium tank is in the shape of a cube with one side a 4m tall glass wall. When the tank is half filled and the water is 2 m deep, the water exerts a force on the wall. What force does the water exerts on the wall when the tank is full and the water is 4 m drop? |
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a) |
1/2 |
b) |
c) |
d) |

An aquarium tank is in the shape of a cube with one side a 4m tall glass wall. When the tank is half filled and the water is 2 m deep, the water exerts a force on the wall. What force does the water exerts on the wall when the tank is full and the water is 4 m drop? |
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a) |
1/2 |
b) |
c) |
d) |

1 Answer

127 votes

Let be width of the glass wall. When the tank is half filled then the average force on the glass wall is average pressure area When tank is filled up to height 4 m, then or |

127 votes

127