A horse pulls a wagon, and the wagon pulls back with the same force (according to Newton's 3rd Law). How do they get anywhere? O They were already moving with a constant velocity. O They don't; the forces cancel. O The ground exerts a force on the horse. The force exerted by the horse is greater than that by the wagon.

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Chapter1: Units, Trigonometry. And Vectors
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A horse pulls a wagon, and the wagon pulls back with the same force
(according to Newton's 3rd Law). How do they get anywhere?
O They were already moving with a constant velocity.
O They don't; the forces cancel.
The ground exerts a force on the horse.
O The force exerted by the horse is greater than that by the wagon.
O The forces don't cancel while they accelerate - only when they are moving at
constant velocity.
Transcribed Image Text:A horse pulls a wagon, and the wagon pulls back with the same force (according to Newton's 3rd Law). How do they get anywhere? O They were already moving with a constant velocity. O They don't; the forces cancel. The ground exerts a force on the horse. O The force exerted by the horse is greater than that by the wagon. O The forces don't cancel while they accelerate - only when they are moving at constant velocity.
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