Recent content by lingoo

  1. L

    Problem involving Forces, torque,friction and object tipping

    Can I assume that Na is equal to zero ? Because the rotation is around B, so all the weight would be concentrated at B, leaving A without weight applicated...
  2. L

    Problem involving Forces, torque,friction and object tipping

    I tried to sum all forces in x and y In x, I think there will be friction force in foot A and friction force in foot B,and sure, the Force F that is being applied. F - Fa - Fb = ma In y, Normal forces cancel with gravitational force, so Na+Nb-W=0 But to calculate the torque, is being...
  3. L

    Problem involving Forces, torque,friction and object tipping

    Homework Statement A refrigerator of mass 120 kg, as shown in the picture, has a plastic feet resting on a stone floor and is being pushed with a force F. The coefficient of static friction is equal to 0.2 and the dynamic friction coefficient is equal to 0.15. Homework Equations A)...
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