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

10^{7} P a

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10^{2} P a

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10^{3} P a

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10^{5} P a

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Solution

The correct option is D $10^{5} P a$
Given:
Area, $A = {2 c m}^{2} = 2 \times 10^{- 4} m^{2}$
Force applied, $F = 20 N$

From definition of pressure,
$P = \frac{F}{A}$
$⟹ P = \frac{20}{2 \times 10^{- 4}}$
$P = 10^{5} P a$

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A man hits a table with a flat stick applying a force of 20 N. If the area over which the force is acting is 2 cm2, calculate the pressure on that area.

The correct option is D 105 PaGiven: Area, A=2 cm2=2×10−4 m2 Force applied, F=20 N From definition of pressure, P=FA ⟹P=202×10−4 P=105 Pa

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

The correct option is D $10^{5} P a$
Given:
Area, $A = {2 c m}^{2} = 2 \times 10^{- 4} m^{2}$
Force applied, $F = 20 N$

From definition of pressure,
$P = \frac{F}{A}$
$⟹ P = \frac{20}{2 \times 10^{- 4}}$
$P = 10^{5} P a$