Chemistry, 02.10.2019 14:10 avhobby3

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which option accurately describes an unbalanced force?
1.three rows of cement blocks from a foundation for a house, and the house rests on its foundation.
2.the force of a house pressing down on its foundation of cement blocks is 3,000 n
3.each cement block supports a 2-n force, but when the foundation is built in a staggered pattern it can support 2,000 n
4.a 2-n force presses down on the cement block at the same time as a 1.5-n force presses up on the cement block

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which option accurately describes an unbalanced force?
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