A gold biscuit of dimensions xm*ym*zm (where x > y > z) is placed on a table. The density of gold is d kg/m3. The minimum pressure exerted by gold biscuit on the table is (g=10 m/s).
(A) 10zd (B) zd (C) 10yd (D) 10xd
(A)10zd
d=m/v
m=d*v
m=xyz*d
F= mg
F=10xyzd
P=F/A
P=10zdxy/xy (xy is the smallest area)
Therefore, P=10zd
d=m/v
m=d*v
m=xyz*d
F= mg
F=10xyzd
P=F/A
P=10zdxy/xy (xy is the smallest area)
Therefore, P=10zd