Mechanics
Dynamics
Explain motion: forces, mass, friction
3 skills · Last skill is Premium
Dynamics explains why motion changes. Practice Newton's laws, friction, and motion on an inclined plane, including the difference between mass and weight.
Skills in this topic
Newton's Laws
Apply F = ma, add forces along a line, and tell mass from weight
Friction
Find the friction force from the normal force and the net force on a sliding object
Inclined Plane
Resolve weight along a slope and find the acceleration with and without friction
Exam paths that include this topic
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