When a person stands on the floor, his feet exert what on the surface?
- Correct Answer: pressure
- resistance
- acceleration
- power
Explanation: When a person stands on the floor, his feet exert pressure on the surface. That pressure is related to both the mass of the person and the surface area of his feet. If the person were holding a heavy object, the pressure would increase because of a greater force. Alternatively, if the person stands on his toes, the pressure also increases because of a decrease in the surface area.
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