A cubical box is filled with sand and weighs 829 N. As in the figure, a horizontal force F is applied at one of the upper edges in order to tip the box (start it to tip over). What is the minimum force required? [Note: this is an equilibrium problem where we want to find the greatest applied force F such that the torques will still add to zero. Second hint: when the box is on the verge of tipping, where will the normal force be applied?]. Note that there is friction between the box and the surface it rests on. F = N

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A cubical box is filled with sand and weighs 829 N. As in the figure, a horizontal force F is applied
at one of the upper edges in order to tip the box (start it to tip over). What is the minimum force
required? [Note: this is an equilibrium problem where we want to find the greatest applied force F
such that the torques will still add to zero. Second hint: when the box is on the verge of tipping,
where will the normal force be applied?]. Note that there is friction between the box and the
surface it rests on.
F =
N
F
Transcribed Image Text:A cubical box is filled with sand and weighs 829 N. As in the figure, a horizontal force F is applied at one of the upper edges in order to tip the box (start it to tip over). What is the minimum force required? [Note: this is an equilibrium problem where we want to find the greatest applied force F such that the torques will still add to zero. Second hint: when the box is on the verge of tipping, where will the normal force be applied?]. Note that there is friction between the box and the surface it rests on. F = N F
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