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Force and Motion

Force and Motion . Basketball Review Game. Game Rules. If your team gets the question right, you get a chance to shoot the ball into the hoop. If you get the ball in the hoop, each person on your team wins a piece of candy.

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Force and Motion

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  1. Force and Motion Basketball Review Game

  2. Game Rules If your team gets the question right, you get a chance to shoot the ball into the hoop. If you get the ball in the hoop, each person on your team wins a piece of candy.

  3. The difference between speed and velocity is that velocity includes…a. direction b. distance c. time d. weight

  4. What is the combination of all forces acting on an object? a. balanced forces b. unbalanced forcesc. net forces d. gravitational forces

  5. As the force pushing two surfaces together increases, the friction between the surfacesa. stays the same b. decreases c. increases d. is not affected

  6. Calculate the net forces acting on the wheelchair. a. balanced force of 218 Nb. unbalanced force of 218 Nc. balanced force of 122 N d. unbalanced force of 122 N 170 N 48 N

  7. Four pairs of objects have the masses shown below. The objects in each pair are the same distance apart. The gravitational force between which pair of objects is greatest?a. 1 kilogram and 1 kilogramb. 1 kilogram and 2 kilogramsc. 2 kilograms and 1 kilogram d. 2 kilograms and 2 kilograms

  8. s Which pair from set A has the greatest gravitational force between them? a. Pair 1 b. Pair 2 c. Neither pair d. Both pairs

  9. s Which pair in set B has the least gravitational force between them? a. Pairs 1 and 2 are equal b. Pair 2 c. Pair 1 d. Neither

  10. s • In set C, why is the gravitational force different even though the objects have the same mass? a. Because the velocity is different b. Their distances are different c. There is no difference d. Their masses are different

  11. What are the two factors that determine gravitational force?a. matter and massb. speed and massc. weight and massd. distance and mass

  12. What is the net force and direction for object B? a. 5 N left b. 5 N down c. 5 N up d. 5 N right

  13. What is the net force and direction for object A? a. 3 N to the left b. 15 N to the right c. 9 N to the right d. 9 N to the left

  14. What is the net force and direction for object C? a. 8 N left b. 8 N right c. 8 N down d. 8 N up

  15. In physical science, a push or a pull is called a(n)a. force.b. acceleration.c. inertia.d. motion.

  16. What happens when two forces act in the same direction?

  17. Which of the following causes an object to start moving?a. balanced forcesb. unbalanced forcesc. either balanced or unbalanced forcesd. any combination of forces

  18. When the net forces equal 0 N, they are which of the following?a. balancedb. a pushc. unbalancedd. a pull

  19. Which of the following is an example of a balanced force?A. a baby pushed in a stroller on a sidewalkb. a child running down a pathc. a ball rolling down a hilld. a projector hanging from the ceiling (like the one in the room )

  20. Which walking surface has the least friction?a. sandb. icec. woodd. carpet

  21. How will the motion of a ball rolling on the ground change if the ball encounters a frictional force?a. the ball will speed upb. the ball will slow downc. the ball’s speed will not changed. the ball will change direction

  22. An object in motion has ___________, so it tends to stay in motion. (Newton’s 1st Law)a. speedb. massc. accelerationd. Inertia

  23. Which pair of objects will have the least gravitational attraction to each other?a. two cinder blocks 6 cm apartb. two marbles 12 cm apartc. a cinder block and marble 6 cm apartd. a cinder block and marble 12 cm apart

  24. If a car is slowing down or changing direction, it must have… a. speed b. inertia c. acceleration d. gravity

  25. According to Newton’s 2nd Law of Motion, any object’s force is equal to its mass times its… a. speed b. gravity c. velocity d. acceleration

  26. According to Newton’s 3rd Law of Motion, any action will have an equal and _______________ reaction. a. balanced b. opposite c. strong d. unbalanced

  27. What is the force of the soccer ball if the mass is 50 kg and it is accelerating at 10 m/s2? • 5 N • 5 m/s • 500 N • 500 m/s

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