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Pressure
Objects with relatively small surface area exerts maximum pressure on the surface in contact. This is the reason as to why sharp pointed heals will damage soft wooden floor.
Objects with relatively small surface area exerts maximum pressure on the surface in contact. This is the reason as to why sharp pointed heals will damage soft wooden floor.
See lessDriving in Snow
Static friction is greater than kinetic friction. Static friction exists if the wheels keep rolling on the ice without locking up, resulting in maximum braking force. However, if the wheels lock up then kinetic friction takes over since there is relative slipping between wheel and ice. This reducesRead more
Static friction is greater than kinetic friction.
Static friction exists if the wheels keep rolling on the ice without locking up, resulting in maximum braking force. However, if the wheels lock up then kinetic friction takes over since there is relative slipping between wheel and ice. This reduces the braking force and the car takes longer to stop.
Anti-lock braking systems (ABS) on a vehicle prevent the wheels from locking up when the brakes are applied, thus minimizing the amount of time it takes for the vehicle to reach a complete stop. Also, by preventing the wheels from locking up you have greater control of the vehicle.
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