# Chapter 2 Forces: Question Preview (ID: 32529)

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 If you push surfaces harder together what increases? a) Friction b) Mass c) Inertia d) Density What depends on net force and mass? a) Acceleration b) Gravity c) Friction d) Inertia What an object is in free fall what's the only thing acting on it? a) Gravity b) Inertia c) Friction d) Time What force changes the direction of a satellite? a) Gravity b) Friction c) Inertia d) Acceleration Reaction and what force is always equal? a) Action b) New c) Old d) Gravity What is inertia? a) The property of matter that resists a change in motion b) The property of matter that moves more quickly c) The property of matter that slows items down d) The property of matter that doesn't do anything The momentum of an object is in the same direction is what? a) Velocity b) Speed c) Inertia d) Newtons What force is required to move 1 kg or mass at 1 meter per second per second. a) 1 Newton b) 1 Nesvik c) 1 Accelerate d) 1 Mass What happens to gravitational forces at items get farther away? a) The force decreases as the objects get farther away b) The force increases as the objects get father away c) The force remains the same d) The force depends on the mass Balanced forces act on how many objects? a) One b) Two c) Three d) Four What affects the gravitational attraction between objects a) Mass and Distance b) Mass and Air Resistance c) Air Resistance and Distance d) Gravity and Distance Your Science book is sitting on your trapper. The pull your trapper and your Science slides backward. a) My trapper accelerates and the book is at rest. Because of inertia the book doesn't move forward b/c the force wasn't on book b) My trapper accelerates and the book is at rest. Because of inertia the book will go forward. c) My trapper doesn't accelerate but the book accelerates because of inertia. d) My trapper doesn't accelerate but the book accelerates because of Newton's Laws Why do action and reaction forces not cancel each other out? a) The forces are not acting on the same object. Action and reaction forces act on different objects. b) The forces are acting on the same object. Action and reaction forces act on the same object. c) The forces have nothing to do with the objects. d) There is another force involved in the situation. What is centripetal force? a) Any force that causes an object to move in a circle b) Any force that causes an object move c) Any force that causes an object to move in a square d) Any force that causes an object to move in a oval When objects have the same momentum before and after they collide, when outside forces acting on them is what law? a) Law of Conservation of Momentum b) Law of Conservation of Energy c) Law of Velocity d) Law of Energy When forces are going in the same direction you ______________; when forces are going in opposite direction you ___________. a) Add; Subtract b) Multiply; Divide c) Subtract; Add d) Divide; Multiply What law states that any two objects in the universe that have mass without exception? a) Law of universal gravitation b) Law of conservation of momentum c) Law of conservation of energy d) Law of forces What is friction? a) The force that one surface exerts on another when two rub against each other b) The force that attracts one object to another c) The force that repels other objects d) The force that creates new items The larger an objects inertia the greater an object's a) mass. b) weight. c) free fall. d) acceleration.
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