Presentation on theme: "Basketball Review Game"— Presentation transcript:
1Basketball Review Game Force and MotionBasketball Review Game
2Game RulesIf 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.
3The difference between speed and velocity is that velocity includes… a The difference between speed and velocity is that velocity includes… a. direction b. distance c. time d. weight
4What is the combination of all forces acting on an object. a What is the combination of all forces acting on an object? a. balanced forces b. unbalanced forces c. net forces d. gravitational forces
5As the force pushing two surfaces together increases, the friction between the surfaces a. stays the same b. decreases c. increases d. is not affected
6Calculate the net forces acting on the wheelchair. a Calculate the net forces acting on the wheelchair. a. balanced force of N b. unbalanced force of N c. balanced force of N d. unbalanced force of 122 N 170 N48 N
7Four pairs of objects have the masses shown below 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 kilogram b. 1 kilogram and 2 kilograms c. 2 kilograms and 1 kilogram d. 2 kilograms and 2 kilograms
8s Which pair from set A has the greatest gravitational force between them?a. Pair 1b. Pair 2c. Neither paird. Both pairs
9s a. Pairs 1 and 2 are equal b. Pair 2 c. Pair 1 d. Neither Which pair in set B has the least gravitational force between them?a. Pairs 1 and 2 are equalb. Pair 2c. Pair 1d. Neither
10s In set C, why is the gravitational force different even though the objects have the same mass?a. Because the velocity is differentb. Their distances are differentc. There is no differenced. Their masses are different
11What are the two factors that determine gravitational force. a What are the two factors that determine gravitational force? a. matter and mass b. speed and mass c. weight and mass d. distance and mass
12What is the net force and direction for object B? a. 5 N leftb. 5 N downc. 5 N upd. 5 N rightABC
13 What is the net force and direction for object A? a. 3 N to the left b. 15 N to the rightc. 9 N to the rightd. 9 N to the leftABC
14 What is the net force and direction for object C? a. 8 N left b. 8 N rightc. 8 N downd. 8 N upABC
15In physical science, a push or a pull is called a(n) a. force. b In physical science, a push or a pull is called a(n) a. force. b. acceleration. c. inertia. d. motion.
16What happens when two forces act in the same direction? What happens when two forces act in the same direction?a.They cancel each other out.b.The stronger one prevails.cThey add together.dTheir sum divided by two is the total force.
17Which of the following causes an object to start moving. a Which of the following causes an object to start moving? a. balanced forces b. unbalanced forces c. either balanced or unbalanced forces d. any combination of forces
18When the net forces equal 0 N, they are which of the following. a When the net forces equal 0 N, they are which of the following? a. balanced b. a push c. unbalanced d. a pull
19Which of the following is an example of a balanced force. A Which of the following is an example of a balanced force? A. a baby pushed in a stroller on a sidewalk b. a child running down a path c. a ball rolling down a hill d. a projector hanging from the ceiling (like the one in the room )
20Which walking surface has the least friction. a. sand b. ice c. wood d Which walking surface has the least friction? a. sand b. ice c. wood d. carpet
21How will the motion of a ball rolling on the ground change if the ball encounters a frictional force? a. the ball will speed up b. the ball will slow down c. the ball’s speed will not change d. the ball will change direction
22An object in motion has ___________, so it tends to stay in motion An object in motion has ___________, so it tends to stay in motion. (Newton’s 1st Law) a. speed b. mass c. acceleration d. Inertia
23Which pair of objects will have the least gravitational attraction to each other? a. two cinder blocks 6 cm apart b. two marbles 12 cm apart c. a cinder block and marble 6 cm apart d. a cinder block and marble 12 cm apart
24If a car is slowing down or changing direction, it must have… a If a car is slowing down or changing direction, it must have… a. speed b. inertia c. acceleration d. gravity
25According 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
26According to Newton’s 3rd Law of Motion, any action will have an equal and _______________ reaction a. balanced b. opposite c. strong d. unbalanced
27What is the force of the soccer ball if the mass is 50 kg and it is accelerating at 10 m/s2?