1. Science Jeopardy! Forces Newton's 1st Law 100 100 100 100 100 100 200
Newton's 2nd Law
Newton's 3rd Law
Universal Forces
Practice Problems
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2. Forces 100
Answer: Static friction (not moving), Sliding friction (opposes motion as moves), Rolling friction (objects moving with wheels), and fluid friction (opposes motion of liquids).
Question: What are the four types of friction?

3. Forces 200
Answer: A force can set an object at rest into motion; or it can accelerate a moving object by changing its speed or direction.
Question: How is motion of an object affected by force?

4. Forces 300
Answer: The force that acts downward toward the center of Earth.
Question: What is Earth’s gravitational force?

5. Forces 400
Answer: The combination of an initial forward velocity and the downward vertical force of gravity causes a ball to follow a curved path.
Question: What is projectile motion?

6. Forces 500
Answer: by acting in an opposite direction of the motion this slows down the acceleration of a falling object.
Question: What is how air resistance affects the acceleration of falling objects?

7. Newton's 1st Law 100
Answer: The state of ___ of an object does not change as long as the net force acting on the object is zero.
Question: What is motion?

8. Newton's 1st Law 200
Answer: A zero net force affects an object’s motion.
Question: What is the object’s motion does not change.

9. Newton's 1st Law 300
Answer: the tendency of an object to resist a change in motion.
Question: What is inertia?

10. Newton's 1st Law 400
Answer: Newton published a book where he introduced his laws of motion.
Question: What is the book entitled Principia?

11. Newton's 1st Law 500
Answer: In the lab Investigating Inertia explain how the coin/ card showed inertia.
Question: What is the inertia of the coin resisted the acceleration of the card? (Force of friction was not strong enough to keep coin on card.)

12. Newton's 2nd Law 100
Answer: ________ of an object is equal to the net force acting on it divided by the object’s mass.
Question: What is acceleration?

13. Newton's 2nd Law 200 Answer: a=F/m
Question: What is the formeula for acceleration equals force divided by mass?

14. Newton's 2nd Law 300 Question: What is an acceleration of 1.5m/s2?
Answer: A cart of groceries has a mass of 40kg and is pushed by a force of 60N.
Question: What is an acceleration of 1.5m/s2?

15. Newton's 2nd Law 400
Answer: A car (mass 1200kg) accelerates at a rate of 3 m/s2. Calculate the car’s net force.
Question: What is 3600N of force the car is moving with?

16. Newton's 2nd Law 500
Answer: A 25N force pushes a boy in a wheelchair at 0.5m/s2; calculate the boy’s mass.
Question: What is the boy has a mass of 50kg?

17. Newton's 3rd Law 100
Answer: Whenever an object exerts a ____ on a second object, the second object exerts an equal and opposite ____ on the first object.
Question: What is a force?

18. Newton's 3rd Law 200
Answer: Action and reaction forces do not cancel each other out.
Question: What is action and reaction forces act on different objects?

19. Newton's 3rd Law 300
Answer: an object has a large _____ if the product of it’s mass and velocity are large.
Question: What is momentum?

20. Newton's 3rd Law 400
Answer: Calculate the momentum of a 25kg ball with a velocity of 5m/s.
Question: What is a momentum of 125 kg x m/s ?

21. Newton's 3rd Law 500
Answer: the loss of momentum of one object equals the gain of momentum of another object.
Question: What is the law of conservation of momentum?

22. Universal Forces 100
Answer: The only forces that can both attract and repel.
Question: What are electromagnetic (electric and magnetic) forces?

23. Universal Forces 200
Answer: The force that acts between particles with same electrical charge.
Question: What is electrical force?

24. Universal Forces 300
Answer: This force(s) acts within a nucleus to hold it together.
Question: What are strong and weak nuclear forces?

25. Universal Forces 400
Answer: Every object in the universe attracts every other object.
Question: What is Newton’s law of universal gravation?

26. Universal Forces 500 Answer: Mass and distance.
Question: What factors affect gravitational force?

27. Practice Problems 100 Answer: a= F/m
Question: What is the formula for Newton’s second law?

28. Practice Problems 200
Answer: Two 4N forces act on an object in the same direction, calculate the net force.
Question: What is 8N of force in the same direction?

29. Practice Problems 300
Answer: The force responsible for socks sticking together in the dryer.
Question: What is electric force?

30. Practice Problems 400
Answer: The force responsible for the orbits of planets in our solar system.
Question: What is gravitational force?

31. Practice Problems 500
Answer: Calculate the weight of a boy on earth with a mass of 30kg. (Remember acceleration is gravity 9.8m/s2.)
Question: What is a weight of 290N or 290 kg x m/s2.