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Physics, 28.02.2020 22:48 WhitneyNH4261

You considered the situation of moving a couch at a constant speed. You concluded that to move the couch at a constant speed, you would need to push it with a force that exactly balances the frictional force of 50 N acting on the couch. Now consider a situation in which the couch is at rest. You push on the couch with a force of 25 N--and the couch still does not move. Which one of the force diagrams below best describes this situation?

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