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चार महीने का बच्चा कैसे बना अरब़पति

चार महीने का बच्चा कैसे बना अरब़पति? जन्म के सिर्फ चार माह बाद यदि कोई बच्चा अरबपति बन जाए तो इसे उसकी किस्मत ही कहेंगे। भारत के एकाग्रह रोहन मूर्ति नाम के बच्चे की किस्मत कुछ इसी प्रकार चमकी है। देश की दूसरी सबसे बड़ी आइटी कम्पनी इंफोसिस के फाउंडर नारायण मूर्ति ने सोमवार अपने चार महीने के पोते एकाग्रह मूर्ति को 240 करोड़ रूपए के शेयरों की हिस्सेदारी का तोहफा देकर उसे शायद देश का सबसे कम उम्र का अरबपति बना दिया है। BSE की फाइलिंग के अनुसार इंफोसिस में अब एकाग्रह रोहन की 15 लाख शेयरों की हिस्सेदारी हो गई है। इसका मतलब अब एकाग्रह रोहन इंफोसिस का 0.04% का हिस्सेदार है। शेयरों के स्थानान्तरण के बाद नारायण मूर्ति के पास कम्पनी के कुल शेयरों का 0.36% हिस्सा बचा है। जिस समय नारायण मूर्ति द्वारा अपने पोते को शेयर देने की खबर बाई उस समय इंफोसिस के शेयरों में गिरावट देखने को मिल रही थी। एकाग्रह रोहन, नारायण मूर्ति तथा सुधा मूर्ति के बेट रोहन मूर्ति और उनकी पत्नि अर्पणा कृष्णन का बेटा है। आपको यह पता होगा कि नोरायण मूर्ति ने अपनी पत्नि सुधा मूर्ति से 10 हजार रूपए उधार लेकर 1981 में इंफोसिस क
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Constraints | Classification and Properties of constraints | Classical mechanics

Constraints and its classification

Constraints force

  • Constraints are restrictions that limit the motion of the particles of a system.
  • Physically constrained motion is realized by the forces which arise when the object in motion is in contact with the constraining surfaces or curves. These forces are called constraint forces.

    • Properties of constraints force

  • They are elastic in nature and appear at the surface of contact.
  • They are so strong that they barely allow the body under consideration to deviate even slightly from a prescribed path or surface. This prescribed path or surface is called a constraint.
  • The effect of constraint force is to keep the constraint relations satisfied.

    Classification of constraints

        Scleronomic and Rheonomic

  • This classification is based on time.
  • The constraints are said to be scleronomic constraints, if the constraint relations do not explicitly depend on time.
    • But if the constraint relations explicitly depend on time then the constraints are said to be rheonomic.

              Holonomic and Non-holonomic

      • This classification is based on velocity.
      • If the constraint relations do not depend on velocities then such type of constraints are known as holonomic constraints.
        • If the constraint relations depend on velocities then the constraints are said to be non-holonomic constraints.

                  Conservative and Dissipative

          • This classification is based on the work or total mechanical energy.
            • If the constraint forces do not do any mechanical work or if the total mechanical energy of the system is conserved during the constraint motion then such type of constraints are known as conservative constraints.
            • And if the constraint forces do mechanical work or the total mechanical energy of the system does not remain constant during the constraint motion then such type of constraints are known as dissipative constraints.

                    Bilateral and Unilateral

            • If the constraint relations are in the form of equation, not in the form of inequalities then the constraints are bilateral constraints.
            • It means in bilateral constraints both forward and backward motion are possible at any point on the constraint surface.
              • But if the constraint relations are in the form of inequalities, not in the form of equations then such type of constraints are known as unilateral constraints.
              • In unilateral constraints, at any point of the constraints surface only forward or backward motion is possible.

              To know about this lecture in more detail please visit on https://youtu.be/nlHucA1Ideo
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