Conceptual Physics Test 1 Questions with Answers

Conceptual Physics Test 1 Questions with Answers The scientist to first introduce the concept of inertia was A) Galileo. B) Newton. C) Aristotle. D) Copernicus - Answer-A) Galileo. Which of the following is a scientific statement? A) The moon is made of rock. B) Matter is filled with undetectable particles C) There are parts of the universe that will never be found by man. D) There are things we will never know about. - Answer-A) The moon is made of rock. The scientific method is most effective in A) making theories. B) discovering new things. C) performing experiments. D) gaining, organizing, and applying new knowledge. E) making hypotheses. - Answer-D) gaining, organizing, and applying new knowledge. When a rocket ship accelerating in outer space runs out of fuel, it A) no longer accelerates. B) accelerates for a short time, slows down, and eventually stops. C) accelerates for a short time, then slows down to a constant velocity. - Answer-A) no longer accelerates. Your weight is A) equal to your mass. B) all of these C) the gravitational attraction force between you and the Earth. D) a property of mechanical equilibrium. - Answer-C) the gravitational attraction force between you and the Earth. A player hits a ball with a bat. The action force is the impact of the bat against the ball. The reaction to this force is the A) weight of the bat. B) force that the ball exerts on the bat. C) air resistance on the ball. D) weight of the ball. E) grip of the player's hand against the ball. - Answer-B) force that the ball exerts on the bat. Compared to a 1-kg block of solid iron, a 2-kg block of solid iron has twice as much A) volume. B) inertia C) all of these D) none of these E) mass. - Answer-C) all of these In science, theories A) mean very little B) are more important than facts C) are absolute D) may change - Answer-D) may change A ball tossed vertically upward rises, reaches its highest point, and then falls back to its starting point. During this time the acceleration of the ball is always A) directed upward. B) in the direction of motion. C) opposite its velocity. D) directed downward. - Answer-B) in the direction of motion. An object is pulled northward by a force of 10 N and at the same time another force of 15 N pulls it southward. The magnitude of the resultant force on the object is A) 25 N. B) 5 N. C) 150 N. D) 0 N. - Answer-B) 5 N. A ride on a roller-coaster car containing 6 passengers takes 3 minutes. Neglecting friction, a similar ride with 12 passengers aboard would take A) 3 minutes. B) 12 minutes. C) 1.5 minutes. D) 6 minutes. - Answer-A) 3 minutes. If no external forces are acting on a moving object, it will A) move slower and slower until it finally stops. B) continue moving at the same velocity. C) continue moving at the same speed. - Answer-B) continue moving at the same velocity. A truck is moving at constant velocity. Inside the storage compartment, a rock is dropped from the midpoint of the ceiling and strikes the floor below. The rock hits the floor A) exactly below the midpoint of the ceiling. B) ahead of the midpoint of the ceiling. C) More information is needed to solve this problem. D) behind the midpoint of the ceiling. - Answer-A) exactly below the midpoint of the ceiling.