Virtual Simple Machine Lab - Dr. MCGUIRE's math & ELA site



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Virtual Simple Machine Lab

Part 1-Videos

Directions- Watch the videos on the following topics, in the order that I have them listed, and answer a couple questions about each video.

URL Link-

Video Titles

What is Work

• Is the weight lifter doing the same amount of work when he lifts the 1200N barbell 1m as when he lifts the same barbell 2m? ________ Explain.

• What is work in physics?

• What is a joule?

Mechanical Advantage and Friction

• How do machines make work easier?

• How do you find mechanical advantage of a lever?

• What causes the mechanical advantage of the inclined plane to be less than that of the lever?

Inclined Plane

• Explain how an inclined plane works.

• How do you find the mechanical advantage of an inclined plane?

Lever

• Explain how a lever works.

• What are the three types of levers? Give examples of each.

Screw and Wheel

• Explain how a screw works.

• Explain how a wheel & axle works.

• How do you find the mechanical advantage of a screw and wheel & axle?

1. Screw-

2. Wheel and Axle-

Pulley

• Explain how a pulley works.

• What are the three types of pulleys?

• How does each type of pulley make work easier?

1.

2.

3.

Part 2-Simple Machine Games

URL-

Directions- Now try out some of the simple machines? Play the game and try two different choices for each machine and write your qualitative observations in the space below. Focus your answers on how much force is needed to do work for each of your choices. Write your choice of machine in the blank space provided.

Inclined Plane

First Inclined Plane________________-

Second Inclined Plane______________-

Lever

First Lever (Fulcrum Placement)______________-

Second Lever(Fulcrum Placement) ______________-

Wheel and Axle

First Wheel and Axle______________-

Second Wheel and Axle______________-

Pulley

First Pulley______________

Second Pulley______________

Part 3-Rube Goldberg Machine



Directions- Describe how this Rube Goldberg Machine works.

• What simple machines do you see in this Rube Goldberg Machine? List 4 specific examples and what kind they are. Example – Scissors are a wedge

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2.

3.

4.

• How does this Rube Goldberg Machine Work?

Part 4- Simple Machine Games

Directions- Play the games and record your scores.

URL-

• What is your total score the first time?_______________

• What is your total score the second time?_____________

• What did you struggle with?

URL-

• What is your total score the first time?______________

• What is your total score the second time?____________

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