dynamic friction
[daɪˈnæmɪk ˈfrɪkʃən]
noun
atrito cinético
1. The friction force that acts on an object that is moving relative to another surface, causing resistance to motion
When you slide a box across the floor, dynamic friction opposes the motion and slows it down.
Quando você desliza uma caixa pelo chão, o atrito cinético se opõe ao movimento e o desacelera.
2. In physics, the type of friction present when there is relative motion between two surfaces in contact
The coefficient of dynamic friction is typically lower than static friction for the same two materials.
O coeficiente de atrito cinético é tipicamente menor do que o atrito estático para os mesmos dois materiais.
This is a technical physics term used uniformly across both Brazilian and American educational systems. In Brazil, 'atrito cinético' is the standard term taught in high school physics (Ensino Médio) and engineering programs. The concept is fundamental to mechanics courses and is discussed similarly in both countries' scientific curricula.
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