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1) A player kicks a football into the air. It slows to a stop at its highest point the air before falling to the ground.
1) A player kicks a football into the air. It slows to a stop at its highest point the air before falling to the ground. Which statement accurately describes the motion of the football? A) Inertia moves the ball into the air until it runs out of force B) The ball slows down in the air due to an unbalanced force. C) A balanced force slows the ball until it stops in the air and falls. D) No force acts on the ball, only inertia slows it down. 2) Theories will usually turn into laws after scientists come up with a detailed formula that shows the relationship between events. A) True B) False 3) Assuming all objects are moving with the same velocity, which statement describes the object with the largest inertia? A) A bowling ball rolls across a street and into a large soccer field. B) A driver continues forward after his car takes a sharp turn. C) A helicopter is following a high-speed pursuit across town. D) A pebble is thrown in space and continues in a straight line. 4) What would be the reaction force for the following action force: Hand hits a table. A) Hand feels pain B) Hand stops moving C) Table hits hand D) Table makes a noise 5) The equal and opposite forces described by Newton's third law of motion will balance each other other in many cases. A) True B) False 6) Which of the following will a scientific law do? A) It will attempt to explain why something happens. B) It will describe a relationship that exists in nature. C) It will generate debate after it has been discovered. D) It will replace a theory when a hypothesis is rejected. 7) A roller skater kept her balance and traveled in a perfect straight line. Her motion slowed down as she cruised along the street. Which of the following statements describes thelforces on the skater? A) The net force was not 0 on the skater during her motion. B) The net force was 0, which is why the skater moved in a straight line. C) The forces were unbalanced due to the skater's inertia. D) The forces were balanced due to the action-reaction pair required to cruise. 8) Consider the scenario of a large truck hitting a small car at rest from behind. Which statement is true? A) The truck exerts a greater force on the car than the car does on the truck. B) The car exerts a greater force on the truck than the truck does on the car. C) The truck and the car exert equal forces on each other. D) The car exerts no force on the truck in the collision
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