Question

А
A
One end of a half ring of mass m is hinged to nail
A. When set free diameter of the ring makes an
angle with the vertical (Figure-I). Now another
nail B is hammered on the wall, vertical below the
former nail. Distance between the nails equals to
B
the radius of the ring. Now the ring is pulled aside
and then left resting on the lower nail (Figure-11).
Assume no friction between the ring and the nails
and denote acceleration due to gravity by g. If Figure-I
Figure-II
ring are in equilibrium. Then
mg_3 tane,
(A) Horizontal component of reaction force of the upper nail on the ring is 1-
toward left
2 13
mg tan
(B) Vertical component of reaction force of the upper nail on the ring is
upward
2 V3
mg tano,
(C) Horizontal component of reaction force of the upper nail on the ring is
towards left
2 V3
1+
1 -
mg
(D) Horizontal component of reaction force of the upper nail on the ring is
2
tane,
13
towards right
SECTION-2 (Maximum Marks: 24)​

Answer 1

Answer:

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