| 21. | The force which acts on an object without coming physically in contact with it is called non-contact force.
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| 22. | In reality there is no such a thing and the contact force acts during a small-but finite-time interval.
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| 23. | The final contact forced Burton to back off, springing Gordon free for his series-leading ninth victory of 1997.
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| 24. | A body force is distinct from a contact force in that the force does not require contact for transmission.
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| 25. | According to forces, contact force may also be described as the push experienced when two objects are pressed together.
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| 26. | To maintain dynamic balance during the walk, a robot needs information about contact force and its current and desired motion.
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| 27. | The lubricant also distributes the load over a larger area, so that the local contact forces are not as high.
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| 28. | :Also note that the problem isn't caused by the acceleration rather that the body is being accelerated by contact forces.
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| 29. | Normal is the component of the contact force perpendicular to the surface and friction is the component parallel to the surface.
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| 30. | The elasticity of the converging pins provides sufficient contact force for the Europlug's current rating with a variety of socket-hole arrangements.
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