Physics
Why is a force needed to keep a block of wood inside water?
Fluids Upthrust
104 Likes
Answer
A force is needed to keep a block of wood inside water because upthrust due to water on block when fully submerged is more than it's weight.
Answered By
66 Likes
Related Questions
In what direction and at what point does the buoyant force on a body due to a liquid, act?
Define upthrust and state it's S.I. unit.
A body experiences an upthrust F1 in river water and F2 in sea water when dipped up to the same level. Which is more F1 or F2 ? Give reason.
A body of volume V and density ρ is kept completely immersed in a liquid of density ρL . If g is the acceleration due to gravity, write expressions for the following —
(i) The weight of the body,
(ii) The upthrust on the body,
(iii) The apparent weight of the body in liquid,
(iv) The loss in weight of the body.