At sea level, the atmospheric pressure is 101 000 Pa. What is the approximate total force exerted by the atmosphere on a rectangular table top measuring 2 m by 1 m?

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Question

At sea level, the atmospheric pressure is 101 000 Pa. What is the approximate total force exerted by the atmosphere on a rectangular table top measuring 2 m by 1 m?

Accepted Answer

202 000 N — Award 1 mark for correct answer. Force = Pressure × Area = 101 000 × (2 × 1) = 202 000 N. A is incorrect because it uses only half the area. B is incorrect because it omits the area calculation. D is incorrect due to arithmetic error (possibly adding instead of multiplying).

Answer

202 000 N

Answer

50 500 N

Answer

303 000 N

Answer

101 000 N

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