A simple pendulum with length \( 100 \, \text{cm} \) and bob of mass \( 250 \, \text{g} \) is executing S.H.M. of amplitude \( 10 \, \text{cm} \). The maximum tension in the string is found to be \( \dfrac{x}{40} \, \text{N} \). The value of \( x \) is __________.
