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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
1 answer
327 views

Counter rotating two ring type flywheel on same imagenery axis: will they try to remain in s...

According to image a motor rotate two ring type flywheels(their mass concentrated away from center) one in clockwise other in anti-clockwise at high speed. If we try to change their rotation axis in s …
Sushil's user avatar
  • 23
0 votes
2 answers
124 views

Will this Rocket hit ground in same time for both cases or any diffeence (see fig)?

Only Gravitation force exist. Rocket dropped from height $h$ on ground. Without firing rocket can hit ground in $t$ second.Rocket has enough fuel for journey of $T$ time. Rocket does not have any kind …
Sushil's user avatar
  • 23
2 votes
2 answers
3k views

How to calculate force required to change a flywheel(rotating) at 180 degree angle or diffre...

As we try to change direction axis of flywheel which is rotating on his own spin axis, feel a force which resist this change. So how can I calculate required minimum force to change direction of axis …
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