a gardener pushes a wheelbarrow.

according to Newton's third law the barrow's reaction force on the gardener is the exact opposite of her force on the barrow. a bystander concludes the gardener and barrow will not move because they push equally against each other. how can i explain to him why the gardener and barrow will move?thx.

The net force is zero. So there is no acceleration. What does that have to do with Newtons first law?

The net force is zero. So there is no acceleration. What does that have to do with Newtons first law?

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  1. i think friction is cool

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