To the lever on a swing-top beer bottle as shown in the picture a force of F = 30 N will be applied. Given are the three lengths L1 = 19 mm, L2 = 21 mm and L3 = 44 mm. Please calculate the Force F1 with which the cap is pressed to the bottles opening. Consider no movement occurs. Enter the solution in Newton and round to whole numbers.

1. 61Correct