Question

An elephant of weight 25600N on 4 feet. Find the pressure exerted if each foot is 250cm².

Answer 1

Hi there ,
Force , F = 25600 N

Area of 1 foot = 250 cm² = 0.025 m²
Area of 4 foots = 0.025 × 4 = 0.1 m²

Pressure = Force ÷ Area
= 25600 ÷ 0.1
= 256000 Pa





Pressure exerted by four foots = 256000 Pa
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Answer 2

GIVEN,
          F = 25600 N
          A = 4 × 250 $cm^{2}$
             = 1000/10000 $m^{2}$
             = 1$( 10^{-1} ) m^{2}$
         P = $\frac{F}{A}$  
            =  $\frac{25600}{1 ( 10^{-1} )}$
            =  $\frac{25600 (10)}{1}$
            =  256000 pa