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Results tagged with newtonian-mechanics
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user 382259
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].
4
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1
answer
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Why and How Gravitational mass of a body is affected by the presence of other bodies near it?
My textbook (Cengage Physics, 3rd ed, Mechanics-II, Pg-5.8) says that the gravitational mass of a body is affected by the presence of other bodies near it, whereas the inertial mass of a body remains …
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1
vote
1
answer
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Why centripetal acceleration does not causes the rotating particle to reduce the radius of i...
I think that the centripetal force must develop a corresponding centripetal velocity that keeps on increasing as time passes because, $v = u + at$
Centripetal velocity constantly increases in terms of …
- 79
2
votes
2
answers
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Tension in a massless string in various configurations [duplicate]
If a massless string is stretched by applying extensive forces of magnitude $x$ on both sides, a tension $T$ is developed at every point of the string. If the same massless string is placed over a fri …
- 79
4
votes
5
answers
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Clarification on Work-Energy Theorem
The professor derived the Work-Energy Theorem using the following steps:
$F=ma$
$Fd=mad$
$W=m(v^2−u^2)/2$
$W=\frac{1}{2}mv^2−\frac{1}{2}mu^2$
$W=ΔKE$
So, it seems that work only changes the kinetic en …
- 79