Friction - truck on a slippery road

In summary, friction is the force that resists the motion of an object when it is in contact with another object or surface. On a slippery road, friction is reduced due to the presence of a lubricant, such as water, which creates a layer between the tires and the road. This can make it more difficult for a truck to maintain traction and control. Factors such as surface type, truck weight, speed, and external factors like rain or ice can influence the amount of friction on a slippery road. However, in some cases, friction can be beneficial for a truck as it can help slow it down and prevent it from sliding out of control. To compensate for reduced friction on a slippery road, truck drivers can adjust their driving by reducing
  • #1
vlpanther211
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Homework Statement


A truck is traveling at 40 m/s on a slippery road. The driver slams on the brakes and the truck starts to skid. If the coefficient of kinetic friction between the tires and the road is 0.30, how far will the truck skid before stopping?


Homework Equations



ma=-ug
V^2 = Vintial +2at
x = (v^2 + Vintial^2)/2a

The Attempt at a Solution


would it be 40^2 divided by .6(9.8m/s)
 
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  • #2


Use F=ma in the x-direction to get the acceleration, and then your third equation gets you all the way home.
 

Related to Friction - truck on a slippery road

1. What is friction?

Friction is the force that resists the motion of an object when it is in contact with another object or surface.

2. How does friction affect a truck on a slippery road?

Friction is reduced on a slippery road due to the presence of a lubricant, such as water, which creates a layer between the tires and the road. This reduces the grip of the tires on the road, making it more difficult for the truck to maintain traction and control.

3. What factors can influence the amount of friction on a slippery road?

The amount of friction on a slippery road can be influenced by the type of surface, the weight of the truck, the speed of the truck, and the presence of any external factors such as rain or ice.

4. Can friction be beneficial for a truck on a slippery road?

In some cases, friction can be beneficial for a truck on a slippery road. For example, the friction between the truck's tires and the road can help slow down the truck and prevent it from sliding out of control.

5. How can a truck driver adjust their driving to compensate for reduced friction on a slippery road?

A truck driver can adjust their driving by reducing their speed, maintaining a safe distance from other vehicles, and avoiding sudden braking or acceleration. They can also use special tires or chains designed for driving on slippery roads to improve traction and control.

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