Glenoce Science Level Red Study Guide - Glencoe

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Name Date Class2Study GuideNewton’s Laws of MotionDirections: A yo-yo with a mass 0.25 kg is suspended from a hook on a ceiling. Use the diagram at the bottomof the page to answer the questions.1. Identify which of Newton’s laws explains what happens in each of the following steps.a. Earth pulls the yo-yo downwardand the yo-yo pulls Earth upward.b. The yo-yo doesn’t move.c. Someone pushes on the yo-yo inthe direction shown by the arrow,and the yo-yo moves.d. The yo-yo keeps swingingback and forth.e. The yo-yo slows downand eventually stops.f. The yo-yo pulls on the hook andthe hook pulls on the yo-yo.2. What is the net force acting on the yo-yo in step b?Chapter53. In step e, what force causes the yo-yo to slow down and stop?4. If a net force of 0.2 N is applied in step c, use the space below to calculate how fast the yo-yoaccelerates.5. If the same net force is applied to a yo-yo with a mass of 0.5 kg, how will the rate of accelerationbe affected? Why?6. If the hook exerts a force of 0.001N on the ceiling, how much forcedoes the ceiling exert on the hook?Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.16 Motion, Forces, and Simple Machines
Name Date Class3Study GuideWork and Simple MachinesDirections: Describe what is happening in each situation as work or no work.Chapter51. ____________________ 2. ____________________ 3. ____________________Directions: Name two situations in which no work is done to an object.4.Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.5.Directions: Answer the following questions on the lines provided.6. What two things must occur for effort to count as work?7. How is work measured?8. What is mechanical advantage?9. How do the three classes of levers differ?10. How does a pulley make work easier if it doesn’t multiply force?Motion, Forces, and Simple Machines 17
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Page 43 and 44: Name Date Class1Study GuideThe Atmo
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Glenoce Science Level Red Study Guide - Glencoe

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