Force of $20 N$ was applied on a circular wooden piece with area of ${2 c m}^{2}$ . Calculate the pressure on that area.

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Solution

The correct option is C
Pa

The area on which the pressure is acting is ${2 c m}^{2}$ , and the force applied is 20 N. So, pressure = $\frac{F o r c e}{A r e a}$ .

Converting to SI units, ${2 c m}^{2} = 2 \times$ $10^{- 4}$ $m^{2}$ .
So, $p r e s s u r e = \frac{20}{2 \times 10^{- 4}}$ = $10^{5} P a$ .

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Force of 20N was applied on a circular wooden piece with area of 2cm2. Calculate the pressure on that area.

The correct option is C Pa The area on which the pressure is acting is 2cm2, and the force applied is 20 N. So, pressure = ForceArea. Converting to SI units, 2cm2=2× 10−4 m2. So, pressure=202×10−4 = 105Pa .

Force of $20 N$ was applied on a circular wooden piece with area of ${2 c m}^{2}$ . Calculate the pressure on that area.