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Q. How much force is needed to push and pull a hand cart with 10 inch rubber wheels, loaded with 465 pounds, over dry asphalt surfaces.

Q. Blocks with masses of 2.0 , 4.0 , and 6.0 are lined up in a row on a frictionless table. All three are pushed forward by a 57 N force applied to the 2.0 kg block.How much force does the 4.0 block exert on the 6.0 block?

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