can you give some examples where: (a)there is an increase in pressure & decrease in area (b)there is an increase in area and decrease in pressure

Asked by  | 9th Dec, 2011, 12:00: AM

Expert Answer:

(a) Nails and pins have pointed ends (decrease in area), so that pressure on the pointed ends would be large.
(b) Wide wooden sleepers are kept below railway lines (increase in area) to reduce pressure on the railway tracks.

Answered by  | 11th Dec, 2011, 12:08: AM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.