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What is the net force and direction?

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Presentation on theme: "What is the net force and direction?"— Presentation transcript:

1 What is the net force and direction?
A. 400N Left B. 0N – Won’t move C. 200N Left D. 400N Right

2 What is the net force and direction?
A. 400N Left B. 0N – Won’t move C. 200N Left D. 400N Right

3 What simple machine is being used to move the ball?
LASER QUIZ! What simple machine is being used to move the ball? A. pulley B. lever C. inclined plane D. wedge

4 What simple machine is being used to move the ball?
LASER QUIZ! What simple machine is being used to move the ball? A. pulley B. lever C. inclined plane D. wedge

5 What simple machine would help this man put less force on the rope?
LASER QUIZ! What simple machine would help this man put less force on the rope? A. inclined plane B. screw C. lever

6 What simple machine would help this man put less force on the rope?
LASER QUIZ! What simple machine would help this man put less force on the rope? A. inclined plane B. screw C. lever

7 What is the net force and direction?
A. 10N Left B. 0N – Won’t move C. 20N Left D. 20N Right

8 What is the net force and direction?
A. 10N Left B. 0N – Won’t move C. 20N Left D. 20N Right

9 What must happen for someone to win tug o war?
A. The pulling force of both teams must be equal B. The pushing force of both teams must be equal C. The winning team must exhibit better sportsmanship D. The pulling force of one team must be stronger than the other.

10 What must happen for someone to win tug o war?
A. The pulling force of both teams must be equal B. The pushing force of both teams must be equal C. The winning team must exhibit better sportsmanship D. The pulling force of one team must be stronger than the other.

11 Which cube will move with a net force of 30 Newtons to the right?
D

12 Which cube will move with a net force of 30 Newtons to the right?
D ANSWER C

13 Which cube will move to the left?
15N 15N 15N 15N A B 15N 15N 15N 15N C D

14 Which cube will move to the left?
15N 15N 15N 15N A B 15N 15N 15N 15N C D ANSWER D

15 How will this object move?
A. 20N North B. 30N South C. 40N North D. 10N South 60N 20N

16 How will this object move?
A. 20N North B. 30N South C. 40N North D. 10N South 60N 20N

17 What is the net force and direction?
A. 5N Left B. 35N Right C. 25N Left D. 25N Right

18 What is the net force and direction?
A. 5N Left B. 35N Right C. 25N Left D. 25N Right

19 Two dogs pull on a rope in opposite directions, but together move in the direction shown by the arrow. DIRECTION OF MOVEMENT Which statement is true? A. the forces are balanced with a net force of 0. B. the forces are unbalanced and the dogs will move to the left C. the forces are balanced and the dogs will move to the left D. the forces are unbalanced and the dogs will move to the right.

20 Two dogs pull on a rope in opposite directions, but together move in the direction shown by the arrow. DIRECTION OF MOVEMENT Which statement is true? A. the forces are balanced with a net force of 0. B. the forces are unbalanced and the dogs will move to the left C. the forces are balanced and the dogs will move to the left D. the forces are unbalanced and the dogs will move to the right.

21 What is the net force and direction?
A. 30N Left B. 30N Right C. 90N Left D. 90N Right

22 What is the net force and direction?
A. 30N Left B. 30N Right C. 90N Left D. 90N Right

23 If the bigger arrow represents the greater force, then which statement is correct?
A. The forces are balanced and the ball will move left. B. The forces are unbalanced and the ball will move left. C. The forces are balanced and the ball will move right. D. The forces are unbalanced and the ball will move right.

24 If the bigger arrow represents the greater force, then which statement is correct?
A. The forces are balanced and the ball will move left. B. The forces are unbalanced and the ball will move left. C. The forces are balanced and the ball will move right. D. The forces are unbalanced and the ball will move right.

25 What is the net force and direction?
A. 4N Left B. 4N Right C. 14N Left D. 14N Right

26 What is the net force and direction?
A. 4N Left B. 4N Right C. 14N Left D. 14N Right

27 If I wanted to move something into this van, why would it be easier to use an inclined plane than to just lift it with my hands? A. the inclined plane decreases gravity B. the inclined plane increases gravity C. the inclined plane decreases the force I need to move the object D. the inclined plane increases the force I need to move the object

28 If I wanted to move something into this van, why would it be easier to use an inclined plane than to just lift it with my hands? A. the inclined plane decreases gravity B. the inclined plane increases gravity C. the inclined plane decreases the force I need to move the object D. the inclined plane increases the force I need to move the object

29 What is the net force and direction?
A. 6N Left B. 6N Right C. 14N Left D. 14N Right

30 What is the net force and direction?
A. 6N Left B. 6N Right C. 14N Left D. 14N Right

31 Which combination will result in the leaf moving upward?
Lift A. lift=4N /Gravity=1N B. lift=30N/Gravity=32N C. lift=2N/Gravity=4N D. lift=1N/Gravity=3N Gravity

32 Which combination will result in the leaf moving upward?
Lift A. lift=4N /Gravity=1N B. lift=30N/Gravity=32N C. lift=2N/Gravity=4N D. lift=1N/Gravity=3N Gravity

33 What is the net force and direction?
A. 25N Left B. 25N Right C. 75N Left D. 75N Right

34 What is the net force and direction?
A. 25N Left B. 25N Right C. 75N Left D. 75N Right

35 Which statement explains why a tennis ball changes directions when it’s hit by a racket?
A. The ball exerts an unbalanced force on the racket B. The racket exerts an unbalanced force on the ball. C. the ball slows down the racket

36 Which statement explains why a tennis ball changes directions when it’s hit by a racket?
A. The ball exerts an unbalanced force on the racket B. The racket exerts an unbalanced force on the ball. C. the ball slows down the racket

37 Which cube will move 40N to the right?
A B 20N 30N 20N 10N C D

38 Which cube will move 40N to the right?
A B 20N 30N 20N 10N C D ANSWER C

39 Which statement is true?
A. the forces are balanced. Net force is zero. B. the forces are unbalanced. The toy will move right. C. the forces are unbalanced. The toy will move left. DIRECTION OF MOVEMENT

40 Which statement is true?
A. the forces are balanced. Net force is zero. B. the forces are unbalanced. The toy will move right. C. the forces are unbalanced. The toy will move left. DIRECTION OF MOVEMENT

41 Which statement is true?
A. The forces are balanced. The box won’t move. B. The forces are unbalanced. The box will move left. C. The forces are unbalanced. The box will move right.

42 Which statement is true?
A. The forces are balanced. The box won’t move. B. The forces are unbalanced. The box will move left. C. The forces are unbalanced. The box will move right.

43 When an object is in motion, an unbalanced force may change…
A. Its position B. Its direction C. Its location D. Any of the above

44 When an object is in motion, an unbalanced force may change…
A. Its position B. Its direction C. Its location D. Any of the above

45 What is the net force and direction?
A. 4N Left B. 4N Right C. 10N Left D. 10N Right

46 What is the net force and direction?
A. 4N Left B. 4N Right C. 10N Left D. 10N Right

47 If the bigger arrow represents the greater force, then which statement is correct?
A. The forces are balanced and the skateboard will move left. B. The forces are unbalanced and the skateboard will move right. C. The forces are balanced and the skateboard will move right. D. The forces are unbalanced and the skateboard will move left.

48 If the bigger arrow represents the greater force, then which statement is correct?
A. The forces are balanced and the skateboard will move left. B. The forces are unbalanced and the skateboard will move right. C. The forces are balanced and the skateboard will move right. D. The forces are unbalanced and the skateboard will move left.

49 What is the net force and direction?
A. 3N Left B. 3N Right C. 7N Left D. 7N Right

50 What is the net force and direction?
A. 3N Left B. 3N Right C. 7N Left D. 7N Right

51 Which inclined plane will reduce the most amount of force?
B

52 Which inclined plane will reduce the most amount of force
Which inclined plane will reduce the most amount of force? THE LONGER AND LOWER REDUCES THE MOST FORCE! A B

53 What is the net force and direction?
A. 1N Left B. 1N Right C. 11N Left D. 11N Right

54 What is the net force and direction?
A. 1N Left B. 1N Right C. 11N Left D. 11N Right

55 I will tally results Winning team is…

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