Hi,
how to calculate the limit of load you can place on the top of the circular plate with a quite big circular hole in it (OD 10 cm, ID 5 cm)? the question is how to calculate the thickness needed to bear 1 kg which is spread on the whole area (1 kg heavy object with the same shape as the...
hi,
what happens, when I hand on a spring a heavy object and then we'll rotate the spring? I've tried to write down some maths for it but I don't know anyway...