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Results tagged with newtonian-mechanics
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user 96487
Newtonian mechanics discusses the movement of classical bodies under the influence of forces by applying Newton’s three laws. For more general concepts, use [classical-mechanics]. For Newton’s description of gravity, use [newtonian-gravity].
0
votes
One block of pulley system collides with the ground
As Q had upward motion with velocity v, it keeps on moving up due to inertia of motion at that instant when P had striked and rebounded.May be due to elastic collision P moves up with v velocity.
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-1
votes
How is water falling from a tap an example of the conservation of mass?
By "it is a case of
conservation of mass. " Book means , that it uses Conservation of mass and is not an example of it.
Or more clearly,
when water falls
down from a tap, it is a case which uses
c …
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2
votes
What happens if a machine controlled by me from Earth strikes the Earth?
as you do not have any support at your Back or any frictional ground
, earth will move forward and your big machine will move backwards by conservation of momentum.this also result in loss of energy.
…
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4
votes
If I push or hit an object in space will it rotate or move along a straight line?
If you give a tangential force it would rotate. If you give a force at centroid, it will move in straight line. Along any other point, between tangent and centroid , it will show joint motion.
Splitti …
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1
vote
Elongation in bar with unequal applied forces
$$T= F_\text{more} - \frac{(F_\text{more}-F_\text{less})x}{L}$$
where $T$ is tension in wire, $x$ is distance from $F_\text{more}$
Consider the same part,
Now,
Stress $$\frac{T}{A} = Y\frac{dn}{d …
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0
votes
1
answer
247
views
Division of energy in force on one end of stick [closed]
Say you have a simple rigid body in space that is at rest or travelling with only translational motion at a constant speed. Say that the body is something like a rod and it's not rotating. So, at some …
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5
votes
4
answers
869
views
What will be final velocity of three charges $q$, $q$, $2q$? [closed]
What will be final velocity of three charges q, q and 2q kept along an equilateral triangle of side r at infinite distance.
All three masses are equal.
I tried to conserve Total Energy
$$\frac{2kq^ …
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0
votes
Violation of Newton's third law in case of fluids
force exerted by the heavy steal ball on air partical is very very small. If a ball moves with even as much as 1000kmps may exert a very small force of 0.000001N on a body.
Force exerted on a air part …
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0
votes
Where Potential increase gets its energy from?
If A would gain kinetic energy, it would move far from B. As A would move more far, Potential Energy of B won't increase as distance had increased proportionally.
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1
vote
Centripetal force and friction
As skier slides down, the normal force between skies and dome reduces. It is maximum at top but reduces further as he slides down. It is the normal force which is keeping skier adhered to dome.
As th …
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2
votes
Find the relation between length of pulley and strings
Let l is length of string.
m is length of pulley string.
h is height of system.
k is height of pulley after it is raised.
$h = m+ \frac{l}{2} \tag{1} $
$k = \frac{l+x+y}{2} \tag{2} $
$ h+ z = m …
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