The problem involves a 10 g box being pushed with a force of 20 Newtons across a level floor, with the goal of determining how long it takes to reach a wall 10 meters away. The discussion centers around the effects of friction and the necessary parameters for solving the problem.
The discussion is ongoing, with participants exploring different interpretations of the problem. There is a recognition that without the coefficient of friction, the acceleration cannot be determined, which complicates the analysis. Some guidance has been offered regarding the potential to assume zero friction if no coefficients are provided.
Participants note the absence of friction coefficients as a significant constraint in solving the problem, which leads to questions about the initial conditions and the forces involved.
... try it and see.I am unsure how to attempt this. Do I need to know the static and moving coefficients of friction?
If you knew the kinetic coeff. of friction you could apportion part of the 20N force to overcoming friction and the rest (if any) to accelerating the box.radaballer said:Homework Statement
A stationary 10 g box is pushed with a force 20 Newtons across a level floor. How long will it take the box to reach a wall 10 meters away?
Homework Equations
Applied force - Friction Force?
The Attempt at a Solution
I am unsure how to attempt this. Do I need to know the static and moving coefficients of friction?
Without the coefficient of friction, the acceleration is not knowable.jove8414 said:From the problem you can tell what is the initial velocity and the acceleration, right?