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A mass of M kg is suspended by a weightless string. The horizontal force that is required to displace it until the string makes an angle of 45° with the initial vertical direction is ?

A mass of M kg is suspended by a weightless string. The horizontal force that is required to displace it until the string makes an angle of 45° with the initial vertical direction is ?

Grade:12

1 Answers

SHAIK AASIF AHAMED
askIITians Faculty 74 Points
7 years ago
Hello student,
From the given data we can write the equation as
F l sin 45 = Mg (l− lcos 45)
F = Mg (√2 − 1)
Thanks and Regards
Shaik Aasif
askIITians faculty

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