Question 20
MediumOriginal questionA girl weighing 600 N stands on a floor. The soles of her shoes touch the floor over a total area of 0.03 m². What pressure does she exert on the floor?
Show the answer and explanation
CorrectNot quiteAnswer D
Correct answer: D
Explanation
Pressure = force ÷ area = 600 ÷ 0.03.
600 ÷ 0.03 = 60,000 ÷ 3 = 20,000 Pa.
Worth noting
18 multiplies force by area. 200 and 2,000 are decimal-place slips when dividing by 0.03.
- Concept
- Calculating pressure
- Typical timeTypical
- 60 s
- Your timeYours
- —
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