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ARC-Easy / CSZ_2009_8_CSZ30764 / A force of 5 N is required to increase the speed of a box from a rate of 1.0 m/s…

Problem

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question

A force of 5 N is required to increase the speed of a box from a rate of 1.0 m/s to 3.0 m/s within 5 s along a level surface. What change would most likely require additional force to produce the same results?

choices

  • reduce the mass of the box
  • increase the mass of the box
  • make the surfaces of the box smooth
  • make the surface of the floor smooth

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Source and history

Official source

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