CHAPTER 4 TEST REVIEW
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1 CHAPTER 4 TEST REVIEW Work = Force x Distance 1. Work is measured in. a. Newtons b. Joules c. Centimeters d. Grams 2. Sir Isaac Newton is famous for discovering the. a. Laws of motion b. Laws of work c. Laws of gravity d. Laws of geotropism 3. Which of the following is the only example of work being done? a. Pushing a tree that does not move b. Carrying your gym bag to PE c. Pushing a box up a ramp d. Lifting a 500 kg box that does not move 4. Which of the following requires the LEAST work? a. Applying 5 N of force for a distance of 6 meters b. Applying 10 N of force for a distance of 10 meters c. Applying 15 N of force for a distance of.5 meters d. Applying 20 N of force for a distance of 5 meters 5. Which of these is an example of work being done? a. Pushing a wall that doesn t move b. Holding your heavy binder c. Sitting at your desk d. Pulling a desk across the room 6. What is the net force of the people pulling on the rope? a. 50 N to the left b. 100 N to the left c. 50 N to the right d. 100 N to the right 7. Force is measured in, and distance is measured in, and mass is measured in. a. Darwins, inches, pounds b. Galileos, joules, ounces c. Nyes, ml, grams (g) d. Newtons, meters, kilograms (kg)
2 8. Energy that is stored and not being used is called energy. a. Thermal b. Kinetic c. Potential d. Radiant 9. The energy a swimmer has because they are in motion is called energy. a. Thermal b. Kinetic c. Potential d. Radiant 10. An airplane transforms energy from fuel to mechanical energy. a. Chemical b. Seismic c. Thermal d. Radiant 11. is the ability of a seedling to grow the stem upward and roots downward no matter how the seed is placed in the soil. a. Work b. Force. c. Inertia d. Geotropism 12. is the amount of matter in an object. a. Mass b. Force c. Weight d. Height 13. This plant is an example of: a. Inertia b. Force c. Distance d. Geotropism 14. Where does the seedling get the energy to sprout? a. Water in the seedling b. Chemical energy in the seedling c. Sunlight in the seedling d. Nutrients in the soil
3 15. A football player eats a sandwich before practice. His sandwich is chemical energy that transforms into and energy during practice. a. Radiant and thermal b. Seismic and electrical c. Mechanical and thermal d. Nuclear and sound 16. When a plant is healthy it has high. a. Turgor pressure b. Geotropism c. Joules d. Newtons 17. How can you tell if work is done on an object? a. The object remains still. b. The force is not strong enough to move the object. c. The object moves in the direction of the force. d. The object and force move in opposite directions. 18. What is a FALSE statement about simple machines? a. Simple machines do not change the amount of work being done. b. Simple machines make you do less work. c. Simple machines make work easier. d. Simple machines may use more force over less distance. 19. An inclined plane wrapped around a cylinder is a. a. Pulley b. Wheel and axle c. Screw d. Lever 20. Which of the following are examples of screws? (you can have more than one answer) a. Jar lids b. Door knob c. Metal screws d. Flag pole 21. A is a simple machine with a grooved wheel with a rope or cable wrapped around it; an example would be a flagpole. a. Screw b. Pulley c. Lever d. Wheel and axle 22. A fulcrum is the fixed point upon which a pivots around. a. Screw b. Pulley c. Lever d. Wheel and axle 23. A ramp or parking garage are examples of what simple machine? a. Inclined plane b. Wheel and axle c. Wedge d. Lever 24. Which of Newton s three laws of motion is known as the Law of Inertia meaning an object at rest stays at rest and an object in motion stays in motion at the same speed and direction, unless acted upon by an outside force. a. 1st Law of Motion b. 2nd Law of Motion c. 3rd Law of Motion 25. Motion is a change of position or place of an object due to a. a. Laser b. Friction c. Mass d. Force 26. Inertia states that an object will any change in its motion. a. Accept b. Resist c. Welcome d. Balance 27. is the force that one surface exerts on another when the two rub against each other. a. Joules b. Newtons c. Gliding d. Friction
4 28. The motion of the box should be in what direction? a. To the right b. To the left c. Down to the right d. Down to the left 29. Where does the canon experience the greatest kinetic energy and the least potential energy? a. Position A b. Position B c. Position C d. Position E 30. JJ Watt pushed a weighted sled with 100 N of force for a distance of 50 meters. How much work has been done? Place your answer in the griddable.
5 ANSWER KEY 1. B 2. A 3. C 4. C 5. D 6. A 7. D 8. C 9. B 10. A 11. D 12. A 13. D 14. B 15. C 16. A 17. C 18. B 19. C 20. AC 21. B 22. C 23. A 24. A 25. D 26. B 27. D 28. A 29. D argument could be made that B has greatest kinetic because it was shot 30. 5,000
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