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THIS IS With Your Host... Who put the F in Friction? Potent Potables 1.21 Jigawatts!? Where’s Big Bertha At? Caw! Caw! Let’s PARTY-cle physics. 100 100 100 100 100 100 200 200 200 200 200 200 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 This is the greater of the two friction forces. A 100 What is static friction? A 100 This is the magnitude of the friction force acting on the box above. A 200 What is 10 N? A 200 This is the normal force exerted on a 50-N box at rest on a 30° inclined surface. A 300 What is 43 N? A 300 This decreases when a surface gets wet, but stays the same when the incline or weight of the object changes. A 400 What is the coefficient of friction (μ)? A 400 When comparing the force to start a 5-kg wooden object moving on a wood floor, and the force to keep it moving at constant speed, this force is greater, and has a magnitude of this. A 500 What is the force to start an object moving and 21 N? A 500 When a bullet is fired from a rifle, the momentum of this is greater. B 100 B 100 What is neither? B 100 When comparing the impulse provided by a seat belt/ air bag to the impulse provided by the windshield, this is greater. B 200 What is neither? B 200 For a given change in momentum, if contact time increases, this decreases. B 300 What is force? B 300 When two stationary children on roller blades push off each other, this and this are the same, but this is different, because they have two different masses. B 400 What Force exerted and impulse (Δp) stay same, and velocity is different? B 400 A 1500-kg car driving 25 m/s east crashes into a 3000-kg car going 25 m/s west on the highway. This is the final momentum of the two cars after collision, if the cars lock together. B 500 What is 37500 kg m/s? B 500 This is the work required to hold a 50 kg weight 0.5 m above your head. C 100 What is 0 J? C 100 The work required to lift an object straight up is calculated by multiplying these two specific quantities. C 200 What is weight of the object and height? C 200 As time to lift something above your head decreases, this increases. C 300 What is Power? C 300 To determine work from the above graph, you would determine this. C 400 What is area under the curve? C 400 Since 400 J are required to lift the weight above with the pulley, this is the work done against friction. . C 500 What is 40 J? C 500 In the absence of an electroscope, this is the true test for charge. D 100 What is repulsion? D 100 DAILY Place A Wager DOUBLE D 200 When a positive object is grounded, these move from this to this. D 200 What is electrons move from the ground to the object? D 200 The leaves diverge more on a positive electroscope when an object with this type of charge draws near. D 300 What is positive? D 300 After experiencing a force F at a distance d from a spherically charged object, an electron feels this force at a distance of 3d. D 400 What is F/9? D 400 An object with an excess charge of -6 μC is carrying this many extra of these. D 500 What is 3.75 x 1013 extra electrons? D 500 In a closed, simple circuit with a cell, one resistor, an ammeter, and a voltmeter, this is how the circuit is drawn correctly. E 100 What is ? E 100 To increase the resistance of a metal wire this and this can be increased, and this can be decreased, respectively. E 200 What are length and temperature, and crosssectional area of the wire, respectively? E 200 In the circuit above, this is the magnitude of V1, VT, I1 and IT, respectively. E 300 What is 160V, 240V, 4A and 4A? E 300 This is the equivalent resistance of five 5-Ω resistors in parallel. E 400 What is 1Ω ? E 400 Operating at 120 V, this current is required by a motor to lift a 100-kg object a distance of 10m in 20 sec. E 500 What is 4.1 A? E 500 If you lept on a baryon, it would be made of these. F 100 What is three quarks? F 100 Multiplied by h, this will give the energy of this. F 200 What are frequency and photon? F 200 Losing 3 x 10-3 u of mass results in the creation of this much of this. F 300 What is 2.79 MeV of energy? F 300 This force glues three quarks together and does not exist between leptons, These forces may not always be attractive, this force is the weakest, this force is the strongest, and these forces are short-range forces, respectively. F 400 What is strong, electrostatic and magnetic, gravitational, strong, and strong and weak? F 400 A hydrogen atom in the ground state absorbs a 14.0eV photon. This is the kinetic energy of the electron after ionization F 500 What is 0.4 eV? F 500 The Final Jeopardy Category is: Electric field strength Please record your wager. Click on screen to begin This is the magnitude and direction of the electric field strength at a location near a negative metal sphere, if the A sphere exerts a force of 50,000 N on a negative 2-C charge placed at that location. Click on screen to continue What 25,000 N/C, directed toward the negative sphere? Click on screen to continue Thank You for Playing Jeopardy! Game Designed By C. Harr-MAIT