Questions
The 4 kg block is suspended by two strings OA and OB as shown in figure. Then tension in the string OB is
a
20 N
b
30 N
c
203 N
d
403 N
detailed solution
Correct option is A
By Lami's theorem, T2sin(180o−30o)=40sin90o⇒T2=20 NTalk to our academic expert!
Similar Questions
A body is in equilibrium under the action of three coplanar forces P, Q and R are shown in the figure. Select the correct statement.
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