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Jeopardy Final Jeopardy Motion Acceleration Random Forces Laws 100 100
200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500 Final Jeopardy
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1 - 100 What is the difference between distance and displacement?
Direction
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If you travel 10m North then 20m South what is your distance? Displacement? Distance = 30m Displacement = 10m S
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What is your displacement if you travel 5km North then 15km East? 15.8 km NE
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If you travel 30km East then 60km West in 2 hours what is your speed? Velocity? Speed = 45km/h Velocity = 15km/h W
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1 - 500 What is the momentum of a 500kg cow running at 2m/s?
1000kg*m/s
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If a car is driving at 40km/h and slows down to 10km/h in 2 hours what is their acceleration? -15kg/h2
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A dog is laying in the grass and then sees a squirrel, the dog accelerates at a rate of 1m/s2 and has a final velocity of 3m/s, how much time did it take the dog to reach this velocity? 3 seconds
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Draw a speed vs time graph of an object with constant acceleration
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Draw a speed vs time graph of an object with no acceleration
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A deer runs at a constant velocity of 4m/s, but then gets caught in headlights and immediately comes to a stop in 4 seconds. What is the deer’s acceleration? -1m/s2
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What is the equation for momentum? P=mv
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Inertia is dependent on what 2 factors? Mass and velocity
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My bull weighs 20,000N what is his mass on earth? 2040.8kg
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What is the gravity on Jupiter if an object’s mass is 25kg but it weighs N? 24.79m/s2
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3 - 500 Why are the units for acceleration m/s2?
Velocity is distance (displacement) over time meters/seconds Acceleration is velocity over time so multiple m/s by 1/second and you get meters/second2
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4 - 100 What happens to an object when unbalanced forces act on it?
The object will move
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What is the net force of the diagram below? Fnet = 400 N down
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What is the total amount of force acting on the box in the picture below? Total Force = 800N
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What force would be required to accelerate a 50kg mass by 5m/s2? 250N
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Calculate the acceleration of a 300,000kg jet just before take off if the thrust for each of its 6 engines is 40,000N. .8m/s2
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What law states that every action has an opposite and equal reaction? Newton’s 3rd Law
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5 - 200 F=ma, is the equation associated with which law?
Newton’s 2nd law
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5 - 300 What does Newton’s 1st law state?
Object at rest stays at rest, object in motion stays in motion unless acted upon by an outside force
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Newton’s 2nd law discusses the the relationship between what 3 factors? Force, mass and acceleration
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If a pebble and a large rock are thrown with the same about of force, which will have a higher acceleration, why? The pebble because it has a lower mass, therefore more force more acceleration
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Final Jeopardy Please sketch a graph of an object on BOTH a distance vs time and speed vs time graph if the object: Going at a fast constant speed Come to a stop Then increases speed quickly
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