The problem involves a 55.0-kg box on a horizontal surface with a static friction coefficient of 0.300. A force of 156 N is applied at an angle of 18.0 degrees above the horizontal, raising the question of whether the box will move.
Participants are exploring the implications of the applied force's angle and its components. Some have noted that the upward component may affect the normal force, leading to further questions about the box's movement. No consensus has been reached yet.
There is a repeated emphasis on the need to consider the force's components and their effects on the static friction and gravitational forces. Participants are questioning the original calculations and assumptions regarding the box's movement.
Shannonvi said:Homework Statement
A 55.0-kg box rests on a horizontal surface. The coefficient of static friction between the box and the surface is 0.300. A force of 156 N is applied to the box directed at an angle of 18.0 above the horizontal. Does the box move?
Please help??The Attempt at a Solution
156 (cos18)= .300 (55kg×9.81m/s)
148.36N = 161.865 so no, the box wouldn't move. but my answer is wrong[/B]
PeroK said:Does the force of 156N do anything else?
Shannonvi said:I'm not sure what you mean