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JEOPARDY! First things first 2 nd PlaceScience or math Simple technology What’s left 10 20 30 40 50
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This causes a person to continue to move forward in his seat when the brakes are suddenly applied to a vehicle.
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What is inertia?
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This law explains inertia.
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What is Newton’s 1 st law?
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This force is needed to accelerate a 65 kg rider and her 150 kg motor scooter at 2 m/s 2.
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What 430 N?
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The net force of a combined force of 10 N north with a force of 7 N south.
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What is 2 N North?
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The net force of a combined force of 15 N north with a force of 5 N south.
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What is 10 N North?
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The SI unit for speed.
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What is m/s?
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The SI unit for force.
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What is Newton?
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When there is an increase in force, this will happen to the acceleration of the object.
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What is increase?
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A student kicks a 0.5 kg ball. She then kicks a 50 kg rock with the same force. This can be said about the acceleration of the ball as compared to the rock.
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What is the ball will have a greater acceleration than the rock?
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All objects accelerate toward the Earth at a rate of 9.8 m/s 2. This is the effect on velocity for every second that an object falls downward.
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What is it increases by 9.8 m/s 2 until it reaches terminal velocity?
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This is being calculated if 8.5 km (distance) is divided by 1.5 h (time)
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What is average speed?
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This is a hero’s resultant velocity, if in an action film, he is running forward along the top of a train going 55 m/s, and chasing a villain at a rate of 4 m/s.
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What is 59 m/s?
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The pressure exerted on the floor by a 6,000 N crate with an area of 20 m 2 (Pa=F/a).
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What is 300 Pa?
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The density of a 30 cm 3 sample of liquid with a mass of 180 g (D=m/v).
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What is 6 g/cm 3 ?
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Given the formula, (acceleration= final velocity – starting velocity divided by time), this is the plane’s acceleration from Mobile to Saraland if the plane passes over Mobile with a velocity of 4,000 m/s north and then passes over Saraland at a velocity of 8,000 m/s north, 40 s later.
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What is 100 m/s 2 ?
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A student is given a 10 kg rock, four boards and a fulcrum to make a lever. This board would have the greatest mechanical advantage if the fulcrum is placed in the same place relative to the load.
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What is the longest board?
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Two bicycle ramps have the same height. The first ramp is twice as long as the second ramp. This is why the first ramp has a better mechanical advantage. DAILY DOUBLE!!
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What is because the first ramp is longer, so less force is required?
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A student wants to lift a 70 kg box. She has four pulleys (a rope with 1 pulley, a rope with 2 pulleys, a rope with 3 pulleys and a rope with 4 pulleys) and an 18 m rope. This arrangement would have the greatest mechanical advantage.
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What is the rope with four pulleys?
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This is what a single pulley changes on an object.
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What is the direction of the input force?
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When a machine increases the size of the force exerted, this is what happens to the distance through which the force is exerted.
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What is the distance must decrease?
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Where Mr. Smith should aim when shooting at a target due to projectile motion.
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What is above the bull's-eye?
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This causes the napkins to stay on the picnic table even though there is a slight breeze.
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What is static friction?
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Why hydraulic devices use liquids instead of gases.
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What is because gases can be compressed and liquids cannot?
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How gases and air flow.
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What is from areas of high pressure to areas of low pressure?
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Why a balloon filled with helium rises to float in the air.
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What is because helium is less dense than air?
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Math
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FINAL JEOPARDY! This is a girl’s resultant velocity, if on a school bus, she is walking backward to her seat going 5 m/s, and the bus is traveling forward at a rate of 50 m/s.
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