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  2. Normal force - Wikipedia

    en.wikipedia.org/wiki/Normal_force

    Figure 2: Weight (W), the frictional force (F r), and the normal force (F n) acting on a block.Weight is the product of mass (m) and the acceleration of gravity (g).In the case of an object resting upon a flat table (unlike on an incline as in Figures 1 and 2), the normal force on the object is equal but in opposite direction to the gravitational force applied on the object (or the weight of ...

  3. Friction - Wikipedia

    en.wikipedia.org/wiki/Friction

    The static friction force must be overcome by an applied force before an object can move. The maximum possible friction force between two surfaces before sliding begins is the product of the coefficient of static friction and the normal force: =.

  4. Contact mechanics - Wikipedia

    en.wikipedia.org/wiki/Contact_mechanics

    The equations are the same as for a ... influence coefficients relating the ... of the relationship between static friction and applied normal force. ...

  5. Angle of repose - Wikipedia

    en.wikipedia.org/wiki/Angle_of_repose

    The frictional force is equivalent to the multiplication product of the coefficient of static friction and the Normal Force or ⁡: m g sin ⁡ θ = N μ {\displaystyle mg\sin \theta =N\mu } m g sin ⁡ θ = μ m g cos ⁡ θ {\displaystyle mg\sin \theta =\mu mg\cos \theta }

  6. Capstan equation - Wikipedia

    en.wikipedia.org/wiki/Capstan_equation

    The capstan equation [1] or belt friction equation, also known as Euler–Eytelwein formula [2] (after Leonhard Euler and Johann Albert Eytelwein), [3] relates the hold-force to the load-force if a flexible line is wound around a cylinder (a bollard, a winch or a capstan).

  7. Mechanical equilibrium - Wikipedia

    en.wikipedia.org/wiki/Mechanical_equilibrium

    The normal force N is equal, opposite, and collinear to the gravitational force mg so the net force and moment is zero. Consequently, the object is in a state of static mechanical equilibrium. In classical mechanics, a particle is in mechanical equilibrium if the net force on that particle is zero.

  8. Banked turn - Wikipedia

    en.wikipedia.org/wiki/Banked_turn

    The left hand side is the maximum frictional force, which equals the coefficient of friction multiplied by the normal force. Rearranging the maximum cornering speed is <. Note that can be the coefficient for static or dynamic friction. In the latter case, where the vehicle is skidding around a bend, the friction is at its limit and the ...

  9. Newton's laws of motion - Wikipedia

    en.wikipedia.org/wiki/Newton's_laws_of_motion

    For example, a free body diagram of a block sitting upon an inclined plane can illustrate the combination of gravitational force, "normal" force, friction, and string tension. [note 4] Newton's second law is sometimes presented as a definition of force, i.e., a force is that which exists when an inertial observer sees a body accelerating.