Motion Quiz
 1. Push or pull that causes an object to move, stop or change directionA) magnetismB) forceC) frictionD) workE) gravitation2. Use the force to move an object through a distanceA) frictionB) magnetismC) workD) forceE) gravitation3. Force that pulls all objects toward each otherA) gravitationB) frictionC) workD) magnetismE) force4. forces equal in size and opposite in directionA) balanced forcesB) magnetismC) workD) forceE) unbalanced forces5. amount of work done for each unit of timeA) workB) net forceC) gravitationD) powerE) force6. Value of combined forces on an objectA) workB) net forceC) forceD) frictionE) power7. Opposing forces of which one force is greater than the otherA) unbalanced forcesB) balanced forcesC) powerD) frictionE) work8. Which of the following is not a force?A) newtonB) frictionC) gravityD) magnetism9. The first law of motion says that an object at rest will remain at rest unless______A) an outside force acts on itB) it continues in a straight lineC) a nearby star acts on itD) it is placed on a flat surface10. According to the third law of motion, for every action there is ________A) a greater force pushing on itB) an equal and opposite reactionC) a force sending it backwardD) a movement in all directions11. When you observe an object, how do you know if it is moving?A) Its position changesB) its mass and velocity changesC) its frame of reference changesD) its momentum changes12. What do the laws of motion explain?A) the relationship between the four basic elementsB) Why all moving objects eventually stop movingC) how frame of reference influences movementD) The movement of objects on Earth and in space13. Inertia explains why_____A) the ground pushes against your feet when you runB) gravitational forces are stronger on Earth than on the moon or other satellitesC) People in a car move forward in their seats when the car stops quicklyD) friction can be overcome for all objects14. An object in an______ travels around another object as a result of inertia and gravity working togetherA) reaction forceB) inertiaC) law of universal gravitationD) orbit15. According to the _____, all objects are attracted to all other objectsA) Law of GravitationB) inertiaC) action forceD) orbitE) reaction force16. When an object exerts a force on you, it is called ______A) orbitB) Reaction forceC) action forceD) inertia17. The ______ of an object is the distance it travels in a given period of time.A) speedB) accelerationC) velocityD) positionE) momentum18. To measure the movement of an object, one must first locate the _______A) the speed of that objectB) acceleration of that objectC) momentum of that objectD) position of that objectE) velocity of that object19. The term used to describe the speed of an object in a certain direction is _____.A) positionB) speedC) accelerationD) velocityE) momentum20. A truck that is moving at a high rate of speed is difficult to stop because of its _______ which is a product of its velocity and mass.A) accelerationB) momentumC) speedD) velocityE) position21. Conservation of momentum explains howA) a pole can be knocked down when a moving car hits itB) trucks slow down when they are travelling uphillC) a ball thrown into the air always falls back toward EarthD) a spacecraft can travel in space for thousands of years22. A shovel is a compound machine made up of______A) A screw and a wedgeB) a wedge and a pulleyC) a lever and a wedgeD) a pulley and a screw23. Which of the following can change the size or direction of a force?A) frictionB) a magnetC) speedD) a machine24. What do magnets have that acts on objects without touching them?A) a forceB) a machineC) a currentD) a power25. Force that opposes motion when two surfaces rub against each otherA) magnetismB) forceC) frictionD) powerE) work
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