A sphere of mass m is held between two smooth inclined walls. For sin – McqOptions

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1.	A sphere of mass m is held between two smooth inclined walls. For sin \[37{}^\circ =3/5,\] the normal reaction of the wall (2) is equal to :
A.	mg
B.	\[mg\sin {{74}^{o}}\]
C.	\[mg\cos {{74}^{o}}\]
D.	none of the above
Answer» B. \[mg\sin {{74}^{o}}\]

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