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प्रश्न
A nut is opened by a wrench of length 10 cm. if the least force required is 5.0 N. find the moment of force needed to turn the nut.
उत्तर
Length r = 10 cm = 0.1 m
F = 5N
Moment of force = F x r = 5 x 0.1 = 0.5 Nm
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