Question

8] To show that the effect of force depends on upon the area of contact, a student holds both
end of sharpening pencil between the index finger of both the handle and nresses it from both side. The finger which has a deeper mark of
pencil is.
a) on thumb of both the hands
b) towards the flat end of the pencil
c) on firefinger on both their hands
d) towards the pointed end of the pencil​

Answer 1

Answer:

option d

Explanation:

we know that,

pressure=F/area

as area decreases pressure increases

so, pointed end of pencil has less area of contact so it exert high pressure;it has deeper mark