A glass plate of dimensions $30 x 10 cm$ is placed on a table on which there is a layer of machine oil of thickness $0.01 mm$ . The co-efficient of viscosity of machine oil is $0.5 Ns/m^2$. The force required to draw the plate horizontally with a velocity of $5m{s}^{‑1}$___________$\times {10}^2\mathrm{N}$