A man applies a force of 20 N to kill a fly with a flat stick. If the area over which the force is acting is 2 $c m^{2}$ , calculate the pressure on that area.

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Solution

The correct option is C
Pa

Given, Area = ${2 c m}^{2}$ = 2 $\times$ $10^{- 4}$ $m^{2}$

Force applied = 20N

Pressure = $\frac{F o r c e}{A r e a}$

Pressure = $\frac{20}{2 \times 10^{- 4}}$ = $10^{5}$ Pa.

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A man applies a force of 20 N to kill a fly with a flat stick. If the area over which the force is acting is 2 cm2, calculate the pressure on that area.

The correct option is C Pa Given, Area = 2cm2 = 2 × 10−4 m2 Force applied = 20N Pressure = ForceArea Pressure = 202×10−4 = 105 Pa.

A man applies a force of 20 N to kill a fly with a flat stick. If the area over which the force is acting is 2 $c m^{2}$ , calculate the pressure on that area.

The correct option is C
Pa

Given, Area = ${2 c m}^{2}$ = 2 $\times$ $10^{- 4}$ $m^{2}$

Force applied = 20N

Pressure = $\frac{F o r c e}{A r e a}$

Pressure = $\frac{20}{2 \times 10^{- 4}}$ = $10^{5}$ Pa.