Buoyance - pressure on brick immersed in water

  • Thread starter Thread starter bigboss
  • Start date Start date
  • Tags Tags
    Pressure Water
Click For Summary
SUMMARY

The pressure on a brick that is totally immersed in water is greatest on the bottom of the brick due to the depth of the water above it. This conclusion is based on the principle that pressure increases with depth in a fluid, as articulated by the equation fb = pvg, where fb represents buoyant force, p is the fluid density, v is the volume of the displaced fluid, and g is the acceleration due to gravity. Therefore, the correct answer to the homework question is option B: greatest on the bottom of the brick.

PREREQUISITES
  • Understanding of fluid mechanics principles
  • Familiarity with pressure equations in fluids
  • Knowledge of buoyancy concepts
  • Basic understanding of density and gravity
NEXT STEPS
  • Study the principles of hydrostatic pressure in fluids
  • Learn about Archimedes' principle and its applications
  • Explore the relationship between depth and pressure in various fluids
  • Investigate real-world applications of buoyancy in engineering
USEFUL FOR

Students studying physics, particularly those focusing on fluid mechanics, as well as educators and professionals involved in engineering and design related to buoyancy and pressure in fluids.

bigboss
Messages
28
Reaction score
0

Homework Statement



Consider a brick that is totally immersed in water. The long edge of the brick is vertical. The pressure on the brick is

A)greatest on the sides of the brick.
B)greatest on the bottom of the brick.
C)greatest on the face with largest area.
D)greatest on the top of the brick.
E)the same on all surfaces of the brick.


Homework Equations



fb=pvg


The Attempt at a Solution



i am guessing that it would be the same on all surfaces of the brick.
 
Physics news on Phys.org


What determines the pressure at a given point under the water surface?
 


depth
 


bigboss said:
depth
Exactly! Pressure depends on the depth beneath the surface. Use that to revise your answer.
 


so it would be the bottom of the brick, because it has the most depth, thus the most pressure
 


bigboss said:
so it would be the bottom of the brick, because it has the most depth, thus the most pressure
Correct.
 

Similar threads

  • · Replies 1 ·
Replies
1
Views
6K
  • · Replies 11 ·
Replies
11
Views
2K
  • · Replies 9 ·
Replies
9
Views
2K
Replies
6
Views
4K
Replies
1
Views
3K
  • · Replies 18 ·
Replies
18
Views
2K
  • · Replies 4 ·
Replies
4
Views
2K
  • · Replies 6 ·
Replies
6
Views
2K
  • · Replies 27 ·
Replies
27
Views
5K
  • · Replies 4 ·
Replies
4
Views
1K