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Jeopardy Force Balanced Friction Gravity Motion Q $100 Q $100 Q $100 Q $100 Q $100 Q $200 Q $200 Q $200 Q $200 Q $200 Q $300 Q $300 Q $300 Q $300 Q $300 Q $400 Q $400 Q $400 Q $400 Q $400 Q $500 Q $500 Q $500 Q $500 Q $500 Final Jeopardy $100 Question from H1 What is the SI unit for force? $100 Answer from H1 Newton's $200 Question from H1 The strength and direction of the individual forces determine what? $200 Answer from H1 Net Force $300 Question from H1 How is force described? $300 Answer from H1 By it's strength and direction $400 Question from H1 How do you combine forces acting in opposite directions $400 Answer from H1 Subtract the smaller force from the larger force $500 Question from H1 What does net force determine? $500 Answer from H1 An objects motion and direction $100 Question from H2 What is the net force when it is balanced? $100 Answer from H2 Zero $200 Question from H2 Unbalanced forces acting on an object will cause what? $200 Answer from H2 An object to start moving, stop moving or change direction $300 Question from H2 You exert a force on an object of 150 N west and a friend exerts a force of 25 N east, what is the net force? $300 Answer from H2 125 N west $400 Question from H2 Give me an example of balanced forces acting on an object. $400 Answer from H2 Answers will vary $500 Question from H2 When showing forces on a diagram, larger arrows mean what? $500 Answer from H2 A larger force is being exerted $100 Question from H3 In the sticky sneakers lab we were testing for what force? $100 Answer from H3 friction $200 Question from H3 How does direction of friction compare to direction of motion? $200 Answer from H3 It is acting in the opposite direction $300 Question from H3 The strength of the force of friction depends on what 2 factors? $300 Answer from H3 How hard the surfaces push together and the types of surfaces $400 Question from H3 What are 2 ways I can decrease friction a sled experiences? $400 Answer from H3 Wax the sled or change the mass on the sled $500 Question from H3 What are the 4 types of friction? $500 Answer from H3 Static, sliding, rolling, fluid $100 Question from H4 What is weight? $100 Answer from H4 A measure of the force of gravity on an object $200 Question from H4 In free fall is the force of gravity balanced out by another force? $200 Answer from H4 No, gravity is the only force acting on the object $300 Question from H4 What is the force of gravity at or near the Earth's surface? $300 Answer from H4 9.8 m/s² $400 Question from H4 What are 2 forces that affect gravity? $400 Answer from H4 Mass of the objects and distance between them $500 Question from H4 What is the difference between mass and weight? $500 Answer from H4 Weight changes due to the force of gravity mass does not $100 Question from H5 What is motion? $100 Answer from H5 An object is in motion if its distance from a reference point is changing $200 Question from H5 What kind of force changes an objects motion? $200 Answer from H5 An unbalanced force $300 Question from H5 Air resistance is what kind of friction? $300 Answer from H5 Fluid friction $400 Question from H5 What is the greatest velocity a falling object can reach called? $400 Answer from H5 Terminal velocity $500 Question from H5 If you know the mass of an object in kg how do you determine it's weight on Earth in newtons. $500 Answer from H5 Multiply it's mass in kg by the measurement of Earth' gravity(9.8 m/s²) Final Jeopardy If you drop a ball, is it moving faster when it leaves your hand or when it is just about to hit the ground? Final Jeopardy Answer Near the ground