
Q. A machine of mass ๐ = 200 kg is supported on two mounts, each of stiffness ๐ = 10 kN/m. The machine is subjected to an external force (in N) ๐น(๐ก) = 50 cos 5๐ก. Assuming only vertical translatory motion, the magnitude of the dynamic force (in N) transmitted from each mount to the ground is _________________(correct to two decimal places).

Ans: 33.00 โ 33.50