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Welcome to Keyboarding JEOPARDY Horizontal forces Forces General friction 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500 Newton’s Laws Vertical forces 100 Final Jeopardy Question Newton’s Laws 100 pts The ability of an object to resist the change In its motion Back Newton’s laws 100 pts Answer What is Inertia Back Newton’s laws 200 pts An object in motion will stay in motion and an object at rest will remain at rest unless acted on by an outside force? Back Newton’s 1st law 200 pts What is newton’s first law? Back Newton’s laws 300 pts If an object twice as large as another object collides with that object the force exerted on the larger object will be (larger, smaller , or the same) Back Newton’s laws 300 pts The Same Back Newton’s laws 400pts An object three times as large as another object collides with a smaller object, the smaller object has _________ the amount of acceleration as the larger one. Back Newton’s laws 400 pts Answer Three times as much Back Newton’s laws 500 pts A person in space can move to a certain location by doing what? Back 500pts Answer Throwing an object in the opposite Direction one wants to move Back Vertical forces 100pts If a rockets mass is 2kg and it has A thrust of 100 N, what is the net force acting on the rocket? Back Vertical forces 100 pts 80 N Back Vertical Forces 200 pts What is the net force on a 1kg Balloon that has an upward acceleration Of 4 m/s2 Back Vertical Forces 200pts Answer 4N Back Vertical forces 300 pts What two situations can occur in an elevator in order for a persons apparent weight to increase? Back Vertical Forces 300 pts An elevator accelerates going upward And an elevator de-accelerates going down Back Vertical forces 400 What is the apparent weight of a Person who’s mass is 600kg and is accelerating Up an elevator at 4m/s/s (g=10m/s/s) Back Vertical forces 400 pts Answer 8400 N Back Vertical forces 500 pts What is the thrust of a 50kg rocket if it is accelerating at 2m/s/s Back Our Solar System 500 pts Answer 600 N Back Horizontal forces 100 pts What is the net force on a 4000 kg car that is slowing down at 5m/s/s? Back Horizontal Forces 100 pts Answer 20,000 N Back Horizontal Forces 200pts What is the acceleration of a 2kg object that has an applied force of 6000N trying to overcome 4000N Of friction? Back Horizontal Forces 200pts Answer 1000 m/s/s Back Horizontal Forces 300pts What is the net force on an object That has an applied force of 50N and is Moving to the right at a steady spead? Back Horizontal Forces 300pts Answer Zero Back What is the force that opposes motion? Back Friction Back A 10 kg object accelerates at 40m/s/s, an Has an applied for of 700 N acting on it. What is the force of friction? Back 300 N Back What does inertia depend on? Back An objects mass Back What is the upward support force called That is always perpendicular to a surface? Back Normal Force Back A push or a pull? Back What is a force Back The unit of force Back What is a Newton? Back A representation of forces acting on an object? Back Free body diagram Back What two things does the force of friction depend on? Back Mass Type of materials in contact Back Constant that is determined from The type of materials rubbing together Back Coefficient of friction Back What is the coefficient of friction of an 4kg object moving at a steady speed with constant force of 20N? Back .5 Back An 1kg object moving at 32m/s comes to rest in 4s, what is the coefficient of friction between the object and the floor Back .8 Back Which is greater static or sliding friction? Back Static friction Back When was the internet developed? Back 1960’s Back