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When will the pringles can fall? - Physics Stack Exchange $$ \frac {mgw} {2h} < \mu mg $$ or simply $$ h > \frac {w} {2\mu} $$ And we can test it out quick I've got an empty paper cup on my desk I've also got some graph paper I can measure the width of the base of my cup in boxes and get $$ w = 9 \frac 12 \text { boxes} $$ It remains to determine the coefficient of friction
Can the force on a single gate hinge ever be more than the weight of . . . The closer the hinges are together, the greater the pull push forces must be to compensate for the weight trying to turn the gate down So much can be said already from intuition Let's do some calculations now The sum of all forces (horizontal as well as vertical) must be zero, and the sum of all torques must be zero Otherwise the gate would start to move or turn in some direction Let's