--%>
Assignment Help - homework help

Explain Lagrange points

Lagrange points: The points in the vicinity of two massive bodies (like the Earth and Moon) with each others' relevant gravities balance. There are five, labeled L1 via L5. L1, L2, and L3 lie all along the centerline among the centers of mass between the two masses; L1 is on the inner side of the secondary, L2 is on the external side of the secondary; and L3 is on the external side of the primary. L4 and L5, the so-called Trojan points, lie all along the orbit of the secondary about the primary, 60 degrees ahead and at the back of the secondary.

L1 via L3 are points of unstable equilibrium; any trouble will move a test particle there out of the Lagrange point. L4 and L5 are the points of stable equilibrium, given that the mass of the secondary is less than around 1/24.96 the mass of the primary. Such points are stable as centrifugal pseudo forces work against the gravity to cancel it out.

   Related Questions in Physics

  • Q : Kinematics why rockets are also called

    why rockets are also called as projectile

    		•
  • Q : Explain the procedure to compute the

    Briefly explain the procedure to compute the tensile strength?

    		•
  • Q : Define Carnots theorem Carnot's theorem

    Carnot's theorem (S. Carnot): The theorem that states that no engine operating between the two temperatures can be more proficient than a reversible engine.

    		•
  • Q : Define Rayleigh criterion or resolving

    Rayleigh criterion: resolving power: The criterion for determining how delicately a set of optics might be able to differentiate. This  starts with the supposition that central ring of one image must fall on the first dark ring of the other; for

    		•
  • Q : Becquerel Becquerel : Bq (after A.H.

    Becquerel: Bq (after A.H. Becquerel, 1852-1908) - The derived SI unit of the activity stated as the activity of radionuclide decay at a rate, on the average, of one nuclear transition every 1 s; it hence has units of s-1.

    		•
  • Q : Features or characteristics of dead

    Write a short note on the features or characteristics of dead stars?

    		•
  • Q : Secondary electron image and back

    What is main difference between secondary electron image and the back scattered electron image? State briefly.

    		•
  • Q : Bell's inequality Bell's inequality

    Bell's inequality (J.S. Bell; 1964) - The quantum mechanical theorem that explains that if the quantum mechanics were to rely on the hidden variables, it should have non-local properties.    

    		•
  • Q : Explain Right-hand rule Right-hand

    Right-hand rule: The trick for right-handed coordinate systems to establish which way the cross product of two three-vectors will be directed. There are some forms of this rule, and it can be exerted in many manners. If u and v are two vectors that ar

    		•
  • Q : What is Hubble constant Hubble constant

    Hubble constant: H0 (E.P. Hubble; 1925): The constant that determines the relationship among the distance to a galaxy and its velocity of recession due to the growth of the Universe. As the Universe is self-gravitating, it is not trut

    		•