how will u show that particle motion depends on density of the substance?
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To show that motion depend on density of substance.
Consider a heavy truck fully loaded and a lite car .
The motion of the car is faster than the truck ,showing that motion of heavy object is slower than lite object
Consider a heavy truck fully loaded and a lite car .
The motion of the car is faster than the truck ,showing that motion of heavy object is slower than lite object
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If the particles were sieved so that all particles were almost the same size, bulk density would not be affected by particle size.
However, in the real world, a particulate substance almost always has a range of particle sizes and bulk density is highly dependent upon what that range is. Smaller particles sift downward and fill up the spaces between larger particles. If your material has a lot of smaller particles, its bulk density will be higher than if it has few smaller particles.
Bulk density also depends strongly on angularity. If particles are highly angular, the corners of particles tend to fit into the gaps between particles. If particles are well rounded, the gaps between particles tend to remain unfilled.
However, in the real world, a particulate substance almost always has a range of particle sizes and bulk density is highly dependent upon what that range is. Smaller particles sift downward and fill up the spaces between larger particles. If your material has a lot of smaller particles, its bulk density will be higher than if it has few smaller particles.
Bulk density also depends strongly on angularity. If particles are highly angular, the corners of particles tend to fit into the gaps between particles. If particles are well rounded, the gaps between particles tend to remain unfilled.
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