A body of weight 10N is placed on a rough plane making an angle ${\sin }^{-1}(3/5)$ with horizontal. If ${\mathrm{\mu }}_{\mathrm{s}}=\frac{3}{4} \mathrm{and} {\mathrm{\mu }}_{\mathrm{k}}=\frac{3}{5}$ then $(\mathrm{g}=10{\mathrm{ms}}^{-2})$
a) The body moves up
b) The body just begins to side down
c) During motion its acceleration is 1.2ms-2
d) The limiting friction is 6N