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Newton's Laws Honors Homework (3) 1. When a cat sleeps on a table, the net force on it is A.zero B.directed upward C.directed downward D.directed in the horizontal direction E.more information is required 2. If a book on the dashboard of your car suddenly flies towards you, the forward velocity of the car must have A.decreased B.increased C.changed direction to the right D.become zero E.changed direction to the left 3.A spacecraft travels at a constant velocity in empty space far away from any center of gravity. Which of the following about the force applied on the spacecraft is true? A. The applied force is equal to its weight B. The applied force is slightly greater than its weight C. The applied force is slightly less that its weight D. The applied force must perpendicular to its velocity E. No applied force is required to maintain a constant velocity 4.A net force F accelerates a mass m with an acceleration a. If the same net force is applied to mass 5m, then the acceleration will be A.5a B.25a C.a/5 D.a/25 E.a/10 5.A soccer player kicks a soccer ball with a force of 1300 N. The soccer ball hits the player with a force of A.less than 1300 N B.exactly 1300 N C.more than 1300 N D.ON E.none from the above 6. The mass and weight of a rock on Jupiter compared to that on Earth would be A.same, more B.same, less C.more, more D.more, less E.same, same 7.A ball is thrown straight up. At the top of its path, the magnitude of the net force acting on it is A.less than zero B.between zero and mg C.equal to mg D.greater than mg E.none from the above