Answer / lokesh kanojia

stress is material property to resist external load but pressure is not a property of a material,
stress may be compresive or tensile in nature but pressure is always compressive in nature

Answer / mokhtar

moment makes bending stress but the other makes torsion stress

Answer / john wayne

The moment is mostly used on axial parts like beams and
such while the torque is used on rotational bodies like
wheels , gears because the torque is looked at as a
rotational force both of them have the same effect when
applied on bodies, the moment however affects a point on
the body which is the point the force is applied on as a
reaction the whole body is affected,but the torque affects
the whole body and doesnt have to be associated with a
point.

Answer / faiz ahmed meeran

pressure is the external force on a body per unit area and
its not the property of the body.but stress is the internal
force produced in the body ( as a reaction force) per unit
area.and its the property of the body.

Answer / ab_ina7

"torque" is generally used where body is revolved about the axis passing through itself......"moment" is used where the body is rotated about a axis lying at its outside...

Answer / shirin.r.s

Stress can be defined as the force acting per unit area.it
can be compressive or Tensile.Among these two the
compressive stress can be called as pressure.

Greetings This question is about hydraulics and I request an expert to answer it. A simple hydraulic machine is made up of two heads, a larger one with a larger force inside a wider pipe and a smaller one with a smaller force inside a smaller pipe in width as in the second picture on this link: http://science.howstuffworks.com/hydraulic1.htm The question is this: what happens if the smaller head and the smaller force doesn’t exist but the smaller pipe is high enough to take all the liquid? For example the larger head is 1.00 sqr metre and can go down 1.00m under a weight of 100.00kg. The cross sectional area of the smaller pipe is 0.001 sqr metre. Now when the larger head goes down 1.00m, how high the liquid from the wider pipe can go into the smaller pipe of the cross sectional area of 0.001 sqr metre? Regards

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