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In the figure above in which the sphere rolls without slipping down an incline, why is static friction directed upward? Static friction is meant to oppose impending motion so it should oppose the o
6.2 Friction University Physics Volume 1
Why does friction not act at design speed on a banked curve? I understand that it is because the normal force provides the centripetal force, but if friction is a reaction force
Reaction force of and its relation to normal force and friction
newtonian mechanics - Direction of static friction in rolling without slipping down an inclined plane - Physics Stack Exchange
newtonian mechanics - Determining the direction of friction - Physics Stack Exchange
newtonian mechanics - Role of static friction in rolling - Physics Stack Exchange
What is friction? (article)
If there is no friction, what happens to an object that is sliding down an incline? - Quora
Newton's 2nd Law: Kinetic and Static Friction. Level 2, Example 2
Calculate Friction Required for Rolling Without Slipping (Down a Hill)