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- If you push on your textbook so that it slides across the table at a constant velocity, a. there must not be any forces acting on the book, otherwise it would accelerate. b. all of the forces acting on the book must be balanced. c. the book must be changing direction. d. none of the above6. A box rests on a horizontal surface andaman pulls it with a 10N force. In all shown cases the box does not move. Rank the situations shown below according to the magnitude of the frictional force of the surface on the box, least to greatest 10 N 10 N (1) (2) (3) NOTA car has a mass of 1100 kg. It accelerates continuously from rest and travels reaches a speed of 26 m/s in a time of 4 s. a) Find the force needed to accelerate this car in Newtons. b) Find the force needed accelerate this car in pounds.
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