1.

. The pressure exerted by a wooden pole of diameter 20 cm on the ground is 40 Pa. Calculatethe force exerted by the pole.

Answer»

Force = Pressure × Area= Pressure × πR²= 40 Pa × π × (20/2 × 10^-2 m)²= 1.256 N

∴ Magnitude of Force exerted by pole is 1.256 N



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