Jeopardy Force be Final Jeopardy Speed Racer Newton Rules Mixed Bag Are you balanced? May the Force be with you. Speed Racer Newton Rules Mixed Bag $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 Final Jeopardy

1 - $100 Which type of force(s) will cause a change in an object’s motion? A. inertia B. zero net force C. balanced force D. unbalanced force D

balanced - $200 D

Are you Balanced? - $300 D

Balanced? - $400 A

Are you Balanced? - $500 B

forces - $100 A

forces - $200 B

force - $300 A

forces - $400 B

forces - $500 Which of the objects is producing the greatest force? Mass Acceleration Basketball 0.45 kg 5 m/s2 Football 0.30 kg 100 m/s2 Racquetball 0.01 kg 50 m/s2 Golf Ball 0.02 kg 10 m/s2 Which of the objects is producing the greatest force? Football .30 Kg x 100m/s2= 30 N

Speed - $100 1.4 m/s

Speed Racer - $200 What is the difference between the velocity and the speed of an object? A. Velocity is the change in distance over time, while speed is the change in velocity over time. B. Velocity has a direction associated with it, while speed has no specific direction. C. Velocity has no direction associated with it, while speed has a specific direction. D. Velocity is the change in speed over time, while speed is the change in distance over time. B

Speed Racer - $300 H

Speed Racer - $400 A 1000m/10min=100m/min 100m/min x 1 min/60sec= 1.67m/s

Speed - $500 B

4 - $100 According to Newton's third law, when one object exerts a force on a second object, what happens? A

Newton’s Laws - $200 F

Newton’s Laws - $300 C

Newton’s Laws - $400 If a force of 3000N can move a crate at an acceleration of 1.5 m/s2, what is the mass of the object? M=F/a M=3000N/1.5m/s2 M = 2000 kg

Newton’s Laws - $500 B

Mixed Bag - $100 A ball thrown into the air starts out with an initial upward velocity, but eventually slows and stops before falling back to the ground. Which of the following contributes the most to the change in motion of the ball? A. The initial force with which the ball is thrown. B. the downward force of gravity. C. The resistance against the atmosphere. D. The increase of inertia. B

Mixed Bag - $200 What happens when unbalanced forces act on an object at rest? C

5 - $300 According to Newton’s first law, an object in motion will stay in what kind of motion as long as the net forces acting on it are zero? A. slowing motion in a straight line B. accelerating motion in straight line C. constant motion in a straight line D. constant motion in an unpredictable direction C

Mixed Bag - $400 A car travels at a constant speed of 15 m/s for 2 minutes. The car increases speed from 15 to 25 m/s during the next minute and then travels as a constant speed of 25m/s for 2 more minutes. Which of the following graphs best represents the car’s motion during this 5 minute period? F

Mixed Bag - $500 Which line on this graph represents a duck that starts out swimming slowly, then speeds up? D

Final Jeopardy In which of the following situations would the force shown acting on a sphere of the given mass, result in the greatest acceleration? A B C D C