Questions
Two light strings of length 4 cm and 3 cm are tied to a bob of weight 500 gm. The free ends of the strings are tied to pegs in the same horizontal line and separated by 5 cm. The ratio of tension in the longer string to that in the shorter string is
detailed solution
Correct option is B
Since 32 + 42 = 52, The angle between the strings must be 900, as shown in the figure. cosθ1 = 4/5, cosθ2 = 3/5By Lami's Theorem,Talk to our academic expert!
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A mass M kg is suspended by a weightless string. The horizontal force required to hold the mass at 60o with the vertical is
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