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200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 Units Defintions Simple Machines ProblemsMisc.

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Presentation on theme: "200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 Units Defintions Simple Machines ProblemsMisc."— Presentation transcript:

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2 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 Units Defintions Simple Machines ProblemsMisc

3 Units 100 seconds

4 Units 100 Answer: What are the units of measure for time?

5 Units 200 Newtons

6 Units 200 Answer: What are the units of measure for force?

7 Units 300 Joules

8 Units 300 Answer: What are the units of measure for work or energy?

9 Units 400 Watts

10 Units 400 Answer: What is Power?

11 Units 500 Has no units of measure

12 Units 500 Answer: What is Mechanical Advantage?

13 Definitions 100 A combination of 2 or more simple machines.

14 Definitions 100 Answer: What is compound machine?

15 Definitions 200 The work done by a machine.

16 Definitions 200 Answer: What is work output?

17 Definitions 300 A device that makes work easier with one movement.

18 Definitions 300 What is a simple machine?

19 Definitions 400 A bar that is free to rotate about a fixed point.

20 Definitions 400 Answer: What is a lever?

21 Definitions 500 The number of times a machine multiplies your effort force.

22 Definitions 500 Answer: What is mechanical advantage?

23 Simple Machines 100 6

24 Answer: What are the number of simple machines?

25 Simple Machines 200 Levers and Inclined Planes

26 Simple Machines 200 Answer: What are the 2 categories of simple machines?

27 Simple Machines 300 MA = F r F e

28 Simple Machines 300 Answer: What is the equation for determining the mechanical advantage of any simple machine?

29 Simple Machines 400 MA = L E L R

30 Simple Machines 400 Answer: What is the equation for determining the MA of a lever?

31 Simple Machines 500 An inclined plane wrapped around a cylindrical post.

32 Simple Machines 500 Answer: What is a screw?

33 Problems 100 W t

34 Problems 100 Answer: What is the equation for Power?

35 Problems 200 Jenny is riding a bike that has wheel with a radius of 15 inches. The axle has a radius of 6 inches. What is the MA of the bike?

36 Problems 200 Answer: What is 2.5?

37 Problems 300 Sally uses a hammer to apply 650 N of force to a nail into a piece of wood. The effort arm is 18 inches and the resistance arm is 4 inches in length. What is the MA of the hammer?

38 Problems 300 Answer: What is 4.5?

39 Problems 400 Billy raises a 450 N bar above his head 5 meters in 3 seconds. What is the amount of Power developed by Billy?

40 Problems 400 Answer: What is 750 Watts?

41 Problems 500 A boy is pulling a 500 N wagon up an inclined plane that covers 15 meters. Determine the efficiency of the inclined plane if the boy uses 200 N of force if the inclined plane is 5 meters off the ground

42 Problems 500 Answer: What is 83.3%

43 Miscellaneous 100 The pivot point of a lever.

44 Miscellaneous 100 Answer: What is the fulcrum?

45 Miscellaneous 200 Will have a MA less than 1.

46 Miscellaneous 200 Answer: What is a 3rd class lever?

47 Miscellaneous 300 Has a MA = 1

48 Miscellaneous 300 Answer: What is a fixed pulley?

49 DAILY DOUBLE Miscellaneous 400 Explain how a screw driver can be 2 kinds of simple machines.

50 Miscellaneous 400 Answer: When it is used a lever to pry something open or when used to turn a screw it is a wheel and axle

51 Miscellaneous 500 Draw a picture of a second class lever labeling the 5 main parts.

52 Miscellaneous 500 Answer: fulcrum Resistance arm Effort arm Effort force


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