Object going up inclined plane with friction, how far does it go?

In summary, the given problem involves a box sliding up an incline with a 15 degree angle and a coefficient of kinetic friction of .180. The box starts with an initial speed of 1.50 m/s at the bottom of the incline. The question asks for the distance traveled by the box before coming to rest. The solution can be found by making a force diagram and using trigonometry, resulting in a distance of .265m as given in the book's solution.
  • #1
travisped
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Homework Statement


A box is sliding up an incline that makes an angle of 15 degrees with respect to the horizontal. The coefficient of kinetic friction between the box and the surface of the incline is .180. The initial speed of the box at the bottom of the incline is 1.50 m/s. How far does the box travel along the incline before coming to rest?


Homework Equations





The Attempt at a Solution


the book this problem came from referred to an example where they were on a flat surface and they used x=(v2-vo2)/2(-.18*9.8). I have no idea how to incorporate the 15 degree incline into my answer, the solution in the book says .265m if that helps.
 
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Make a diagram of all the forces acting on the object, then consider which are slowing it down in it's ascent up the ramp. You'll need to use trig.
 

1. How does friction affect the distance an object travels up an inclined plane?

Friction is a force that opposes motion, so it will always act to slow down an object traveling up an inclined plane. This means that the more friction present, the shorter the distance the object will travel.

2. What factors affect the distance an object travels up an inclined plane with friction?

The distance an object travels up an inclined plane with friction is affected by the angle of the incline, the mass of the object, and the coefficient of friction between the object and the surface of the incline.

3. How do you calculate the distance an object travels up an inclined plane with friction?

The distance an object travels up an inclined plane with friction can be calculated using the equation d = (mgh)/(mgsinθ + μmgcosθ), where d is the distance traveled, m is the mass of the object, g is the acceleration due to gravity, h is the height of the incline, θ is the angle of the incline, and μ is the coefficient of friction.

4. Can the distance an object travels up an inclined plane with friction ever be greater than the height of the incline?

No, the distance an object travels up an inclined plane with friction can never be greater than the height of the incline. This is because some of the potential energy gained by the object as it moves up the incline is lost due to friction.

5. How can you reduce the impact of friction on an object traveling up an inclined plane?

The impact of friction on an object traveling up an inclined plane can be reduced by using a material with a lower coefficient of friction, decreasing the mass of the object, or decreasing the angle of the incline. Additionally, adding a lubricant to the surface of the incline can also reduce the impact of friction.

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