Advertisements
Advertisements
प्रश्न
Why is a force needed to keep a block of wood inside water?
Advertisements
उत्तर
A force is required to hold a block of wood in water because the upthrust caused by water on the block when fully submerged surpasses its weight.
APPEARS IN
संबंधित प्रश्न
In which direction does the buoyant force on an object due to a liquid act ?
What causes buoyant force (or upthrust) on a boat ?
The weight of a body floating in a liquid is ........
Define the term Density of a substance.
What is the unit of relative density?
State whether pressure is a scalar or vector?
Explain the following statement:
Sleepers are laid below the rails.
How does the liquid pressure on a diver change if:
the diver moves to the greater depth
A body will sink if the weight of the body is greater than the buoyant force.
Complete the analogy.
Downward force : Weight :: Upward force offered by liquid : ______
