Question

An elephant weighs 60000N. It stands on four feet. Each foot has an area of 0.1square metre.
a. Calculate the total area of the elephant's feet.
b. Calculate the pressure the elephant exerts on the ground.

Answer 1

Hey there !

Force = F = 50000 N

Area of 1 foot = 1000 cm² = 0.1 m²

Force = Thrust = 50000 N


Pressure  = Thrust / Area

= 50000 / 0.1

= 500000 Pa
Hence ,
Pressure exerted on the ground = 500000  Pa 

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Answer 2

Answer: 1,50,000 N/m^2

Explanation: Given data

Area of one foot = 0.1m^2

so the area of the 4 feet of elephant= 4×0.1 = 0.4m^2

Weight of elephant or the Force exerted by elephant on the ground = 60000N

As we know that Pressure = Force/Area

so, Evaluating the calculated data

Pressure = 60000/0.4 = 1,50,000 N/m^2