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  2. Friction - Wikipedia

    en.wikipedia.org/wiki/Friction

    Lubricated friction is a case of fluid friction where a lubricant fluid separates two solid surfaces. [9] [10] [11] Skin friction is a component of drag, the force resisting the motion of a fluid across the surface of a body. Internal friction is the force resisting motion between the elements making up a solid material while it undergoes ...

  3. Template:Essay/doc - Wikipedia

    en.wikipedia.org/wiki/Template:Essay/doc

    Userspace essays should remain categorized in Category:User essays or one of its subcategories with this template. Essays are sorted by their page name, or in userspace by subpage name. If you want to use a different category sort, you can specify an entire category link with a sort key:

  4. Contact force - Wikipedia

    en.wikipedia.org/wiki/Contact_force

    Block on a ramp and corresponding free body diagram of the block showing the contact force from the ramp onto the bottom of the block and separated into two components, a normal force N and a friction force f, along with the body force of gravity mg acting at the center of mass.

  5. Fictitious force - Wikipedia

    en.wikipedia.org/wiki/Fictitious_force

    The fictitious force called a pseudo force might also be referred to as a body force. It is due to an object's inertia when the reference frame does not move inertially any more but begins to accelerate relative to the free object. In terms of the example of the passenger vehicle, a pseudo force seems to be active just before the body touches ...

  6. Template:Essay-like - Wikipedia

    en.wikipedia.org/wiki/Template:Essay-like

    Use this cleanup template to indicate that an article is written like a personal reflection, personal essay, or argumentative essay that states a Wikipedia editor's personal feelings or presents an original argument about a topic. Template parameters [Edit template data] This template prefers inline formatting of parameters. Parameter Description Type Status Month and year date The month and ...

  7. Collision - Wikipedia

    en.wikipedia.org/wiki/Collision

    After a zero-friction collision of a moving ball with a stationary one of equal mass, the angle between the directions of the two balls is 90 degrees. This is an important fact that professional billiards players take into account, [ 2 ] although it assumes the ball is moving without any impact of friction across the table rather than rolling ...

  8. Free body diagram - Wikipedia

    en.wikipedia.org/wiki/Free_body_diagram

    In physics and engineering, a free body diagram (FBD; also called a force diagram) [1] is a graphical illustration used to visualize the applied forces, moments, and resulting reactions on a free body in a given condition. It depicts a body or connected bodies with all the applied forces and moments, and reactions, which act on the body(ies).

  9. Template:Essay - Wikipedia

    en.wikipedia.org/wiki/Template:Essay

    Userspace essays should remain categorized in Category:User essays or one of its subcategories with this template. Essays are sorted by their page name, or in userspace by subpage name. If you want to use a different category sort, you can specify an entire category link with a sort key: |cat=[[Category:User essays on style|Comprise, Use of]]‎