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Reference.org
Deflection (physics)
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<p>Deflection is a change in a moving object's <a href="/facts/Velocity/Q3o1LVDe">velocity</a>, hence its <a href="/facts/Trajectory/STNN33FK">trajectory</a>, as a consequence of contact (<a href="/facts/Collision/0a3WSqod">collision</a>) with a surface or the influence of a <a href="/facts/Non-contact_force/bsLKGBv9">non-contact force</a> <a href="/facts/Field_(physics)/FJdAKeRA">field</a>. Examples of the former include a ball bouncing off the ground or a bat; examples of the latter include a <a href="/facts/Cathode_ray/9jRXSquS">beam of electrons</a> used <a href="/facts/Cathode_ray_tube/8NVGx5C7">to produce a picture</a>, or the <a href="/facts/General_relativity/jVsoIg8X">relativistic bending of light due to gravity</a>. </p>