If I let air out of my tires to increase surface area on sand; wont that just reduce the pressure on the sand too? Is traction NOT a function of both pressure and surface area? Physics

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If I let air out of my tires to increase surface area on sand; wont that just reduce the pressure on the sand too? Is traction NOT a function of both pressure and surface area? Physics

In: Physics

5 Answers

Anonymous 0 Comments

From a high school physics standpoint, traction just comes from force. The area over which the force is applied is irrelevant. *However*, on sand, the sand wants to slide out from under the tires. By resting on more sand, it becomes more difficult for all of the sand to slide, and so traction is significantly improved.

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