Question

a force of 80 n is applied on a nails who still has a cross sectional area of 0.002 CM square calculate the pressure on the tip

Answer 1

P=F/A A in m^2
A=.0.002÷100*100
=0.0000002m^2

=P=80/.0.0000002
=400000000Pa

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Answer 2

The pressure on the tip is (4×10⁵) kPa

Given : A force of 80N is applied on a nails who still has a cross sectional area of 0.002 CM square.

To find : The pressure on the tip of the nail.

Solution :

We can simply solve this numerical problem by using the following process. (our goal is to calculate the pressure on the tip)

Now, the cross sectional area :

= 0.002 cm²

= (2 × 10⁻⁷) m²

(As, 1 cm² = 0.0001 m²)

Now, we know that :

Pressure = Force / Area

By, putting the given values, we get :

Pressure = 80/(2 × 10⁻⁷) = (40×10⁷) = (4 × 10⁸) Pa = (4×10⁵) kPa [As, 1 kPa = 10³ Pa]

(This will be considered as the final result.)

Hence, the pressure on the tip will be (4×10⁵) kPa