Questions
A mass of 10 kg is suspended from a spring balance. It is pulled aside by a horizontal string so that it makes an angle of 60° with the vertical. The new reading of the balance is
a
103 kgwt
b
203 kgwt
c
20 kgwt
d
10 kgwt
detailed solution
Correct option is C
By Lami' s theorem,Tsin 90∘=10kgwtsin 150∘ or T=10sin 30∘=20kgwtTalk to our academic expert!
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