mm mm A block of mass m is attached to a wedge of mass M h M by a spring of natural length lo and spring constant k. The inclined frictionless surface of the wedge makes an angle a to the horizontal. The wedge is free to slide on a horizontal frictionless surface as shown in the figure. a) Write down all constraint relations on the particles? motion in cartesian coordinates. b) Show that the number s of degrees of freedom is 2 (. c) Choose s convenient generalized coordinates
mm mm A block of mass m is attached to a wedge of mass M h M by a spring of natural length lo and spring constant k. The inclined frictionless surface of the wedge makes an angle a to the horizontal. The wedge is free to slide on a horizontal frictionless surface as shown in the figure. a) Write down all constraint relations on the particles? motion in cartesian coordinates. b) Show that the number s of degrees of freedom is 2 (. c) Choose s convenient generalized coordinates
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
Transcribed Image Text:A block of mass m is attached to a wedge of mass M
h
by a spring of natural length lo and
M
a
spring constant k. The inclined frictionless surface
of the wedge makes an angle a to the horizontal. The
wedge is free to slide on a horizontal frictionless surface as shown in the figure.
a) Write down all constraint relations on the particles? motion in cartesian coordinates.
b) Show that the number s of degrees of freedom is 2 (.
c) Choose s convenient generalized coordinatest
d) Obtain the expression of the velocity of m with respect to O and show that
Vm/o = xỉ + s7
e) Take the reference of potential energy at Ox axis
Obtain the expression of the kinetic and potential energy (gravitational plus Elastic) of
the system (wedge + block). (
f) Show that the Lagrangian function is given by:
(M + m)
L =
1
ン?、
+jms² + ma's'cos(a) – (s – lo) – mg(h – ssin(@))
specifying the origin of each term in the Lagrangian functio.
g) Obtain expressions of the generalized momenta
h) Derive the Euler - Lagrange equations (
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