The pressure exerted on the ground by a man is greatest when |
|||
(a) |
he stands with both feet flat on the ground |
(b) |
he stands flat on one foot |
(c) |
he stands on the toes of one foot |
(d) |
all the above yield the same pressure |
The pressure exerted on the ground by a man is greatest when |
|||
(a) |
he stands with both feet flat on the ground |
(b) |
he stands flat on one foot |
(c) |
he stands on the toes of one foot |
(d) |
all the above yield the same pressure |