Multiple Choice
Taylor (150 lbs.) and Josh (200 lbs.) are standing on frictionless ice. Taylor pushes on Josh. During the push who experiences the greater magnitude of acceleration?
6. Intro to Forces (Dynamics)
Newton's Third Law & Action-Reaction Pairs
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2:44 minutesOpen Question
World-class sprinters can accelerate out of the starting blocks with an acceleration that is nearly horizontal and has magnitude 15 m/s2. How much horizontal force must a 55-kg sprinter exert on the starting blocks to produce this acceleration? Which body exerts the force that propels the sprinter: the blocks or the sprinter herself?
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