Question

Pins and nails are marked to have pointed ends
WHY?

Answer 1

this is basic . first why are they used , vo chade Karne k liye hota h aur jab Tak pins ka pointed nail nhi rhe ga tab Tak chade nhi hoga because when the area of contact decrease then force will increase . hope you like the answer

Answer 2

Pins and needles are made pointed to increase the pressure exerted by them as pressure increases with the decreases in area