Friction
Friction can be friend or foe. What is friction, how does it affect our lives and how can we alter it? Physics - Forces - Learning Points. Friction is a resistive force between surfaces moving at different velocities. Friction is affected by smoothness, stickiness and lubrication. Drag is a type of friction that occurs when a solid object moves through a fluid substance. On the Moon there is no air to cause friction. A Twig Curriculum Film. Delivering key learning points. Get straight to the facts in just three minutes – directly linked to core learning, Twig's curriculum films will fit neatly into your lesson plans.
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