Question

Needles has a sharp tip, because
-A)
Effective pressure is more due to smaller
area of contact
-B)
Effective pressure is less due to smaller
area of contact
C)
Effective pressure is more due to larger
area of contact
D)
Effective pressure is less due to larger area
of contact.
А
B
с
D​

Answer 1

Answer:

d

Explanation:

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Answer 2

Answer:

it's A as needle have less point of contact