Assertion : paper pins are made to have pointed end.
Reason : Because pointed pins have very small area due to which even for small applied force it exert large pressure on the surface.

Options

A. Both A and R are correct ,R is the correct explanation of A
B. Both A and R are correct,R is not the correct explanation of A
C. A is correct ,R is incorrect
D. R is correct,A is incorrect

Answer

A