Questions
A sphere of radius 25 cm and mass 1 kg is hung by a string of negligible mass and length 40 cm, then tension in the string is :
detailed solution
Correct option is A
T=mgcosθ=mg(l+R)(l+R)2−R2=1×10×65×10−2(65)2−(25)2×10−4=10.81NTalk to our academic expert!
Similar Questions
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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