A uniform sphere of weight W and radius 3 m is being held by a string of length 2m.attached to a frictionless wall as shown in the t figure. The tension in the string will be:
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a
5W4
b
15 W4
c
15 W16
d
none of these
answer is A.
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Detailed Solution
FBD of sphere:W = T sin θand cos θ = 35 ⇒ θ = 530⇒ T = Wsin 530 = 54W
A uniform sphere of weight W and radius 3 m is being held by a string of length 2m.attached to a frictionless wall as shown in the t figure. The tension in the string will be: