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1. ### Express the period of rotation in terms of the radius and the coefficient of friction, μs?

...stone: N =m.4π^2R/T^2 where T is the period of rotation. Substituting, μs.m.4π^2R/T^2 ≥ mg Simplifying...

1 Answers · Science & Mathematics · 06/06/2012

2. ### Rotation and Torsion question?

We begin with the formula: a = ML/(GI) where a = angular deflection of the tube, M the applied moment, L the tube length, G the shear modulus of the material and I the polar moment of inertia of the tube cross section about its centre point. The...

2 Answers · Science & Mathematics · 29/03/2009

3. ### In electrical engineering what is phase rotation and phase sequence?

I think these terms describe the same thing. In a 3 phase system there could be 2 phase rotation directions; they are ABC or CBA.

1 Answers · Science & Mathematics · 14/05/2012

4. ### Does the amount of electricity a turbine generates change according to the rotation speed?

If you increase the speed of rotation of the turbine you increase only the frequency of electricity generated However, if you increase the magnetic field of the turbine then you increase the amount of electricity generated.

4 Answers · Science & Mathematics · 24/03/2008

5. ### application of rotation mechanical system?

Pulley-uses rotation to make mechanical work easier

1 Answers · Science & Mathematics · 15/05/2012

6. ### How can I change the rotation direction of a 1/2hp monophasic induction electric motor?

reversible switches are used in lathes and are readily available in the market. capacitor connection need to be reversed for change of direction of rotation.

5 Answers · Science & Mathematics · 17/06/2017

7. ### The induced current in an electric generator is alternating. After half a rotation does it alternate? 10p?

... of poles, number of conductors, speed of rotation, strength of the magnetic field, etc.

2 Answers · Science & Mathematics · 30/04/2009

8. ### A full-revolution press has 100 rpm flywheel rotation. The press is equipped with two-hand trip devices mounte?

...per OSHA 1910.217(c)(3)(viii)(c) however that is only practical with part rotation clutches. At 100 rpm one revolution takes 60/100 = 0.6 ...

1 Answers · Science & Mathematics · 03/10/2011

9. ### How do I transfer constant speed 360 degree rotation to back and forth rotation (with a smaller degree)?

...the action on the slave cylinder will diminish to an oscillation of diminishing rotation.

1 Answers · Science & Mathematics · 23/11/2008

10. ### explain how rotor comes in rotation by applying 3 phase ac sources?

...the stator diameter. This magnet (being held on a shaft capable of rotation) follows the stator field round as it rotates. The force ...

1 Answers · Science & Mathematics · 14/12/2013