jeopardy review mfe ch 4
TRANSCRIPT
![Page 1: Jeopardy review mfe ch 4](https://reader033.vdocuments.site/reader033/viewer/2022052900/555cfe67d8b42a08668b52b6/html5/thumbnails/1.jpg)
Chapter 4:
Work it Power Rangers
Go cry to MA
It’s only machine wasteland
KISS
1 1 1 1 1
2 2 2 2 2
3 3 3 3 3
4 4 4 4 4
5 5 5 5 5
![Page 2: Jeopardy review mfe ch 4](https://reader033.vdocuments.site/reader033/viewer/2022052900/555cfe67d8b42a08668b52b6/html5/thumbnails/2.jpg)
KISS 4
• A _____________ is a lever that rotates.
![Page 3: Jeopardy review mfe ch 4](https://reader033.vdocuments.site/reader033/viewer/2022052900/555cfe67d8b42a08668b52b6/html5/thumbnails/3.jpg)
KISS 3
• A seesaw is a _______ class lever that has an MA of _____
![Page 4: Jeopardy review mfe ch 4](https://reader033.vdocuments.site/reader033/viewer/2022052900/555cfe67d8b42a08668b52b6/html5/thumbnails/4.jpg)
It’s Only Machine Wasteland 2
• A machine that requires 200 Joules of work and puts out 50 Joules of work is how efficient?
![Page 5: Jeopardy review mfe ch 4](https://reader033.vdocuments.site/reader033/viewer/2022052900/555cfe67d8b42a08668b52b6/html5/thumbnails/5.jpg)
It’s Only Machine Wasteland 1
• According to the current laws of physics, cars in the future may have 100% efficiency.
![Page 6: Jeopardy review mfe ch 4](https://reader033.vdocuments.site/reader033/viewer/2022052900/555cfe67d8b42a08668b52b6/html5/thumbnails/6.jpg)
Go Cry to MA 3
• If you apply 100 N of force to a machine and the machine exerts 400 N on the object, what is the MA of the machine?
![Page 7: Jeopardy review mfe ch 4](https://reader033.vdocuments.site/reader033/viewer/2022052900/555cfe67d8b42a08668b52b6/html5/thumbnails/7.jpg)
Go Cry to MA 2
• What 3 things can machines do to make work easier?
![Page 8: Jeopardy review mfe ch 4](https://reader033.vdocuments.site/reader033/viewer/2022052900/555cfe67d8b42a08668b52b6/html5/thumbnails/8.jpg)
Go Cry to MA 1
• A machine’s actual MA is always greater than its ideal MA. (T/F?)
![Page 9: Jeopardy review mfe ch 4](https://reader033.vdocuments.site/reader033/viewer/2022052900/555cfe67d8b42a08668b52b6/html5/thumbnails/9.jpg)
Power Rangers 1
• Equation, Units and definition of Power
![Page 10: Jeopardy review mfe ch 4](https://reader033.vdocuments.site/reader033/viewer/2022052900/555cfe67d8b42a08668b52b6/html5/thumbnails/10.jpg)
Kiss 5
• To increase an inclined plane’s actual MA, you______________
![Page 11: Jeopardy review mfe ch 4](https://reader033.vdocuments.site/reader033/viewer/2022052900/555cfe67d8b42a08668b52b6/html5/thumbnails/11.jpg)
KISS 2
• A______________ is a cutting tool made from a moving inclined plane.
![Page 12: Jeopardy review mfe ch 4](https://reader033.vdocuments.site/reader033/viewer/2022052900/555cfe67d8b42a08668b52b6/html5/thumbnails/12.jpg)
Power Rangers 2
• If you apply a force of 100 N for 5 m and spend 2 minutes doing it, you use ___ ___ of power.
![Page 13: Jeopardy review mfe ch 4](https://reader033.vdocuments.site/reader033/viewer/2022052900/555cfe67d8b42a08668b52b6/html5/thumbnails/13.jpg)
KISS 1
• A______________is an inclined plane wrapped around a cylinder.
![Page 14: Jeopardy review mfe ch 4](https://reader033.vdocuments.site/reader033/viewer/2022052900/555cfe67d8b42a08668b52b6/html5/thumbnails/14.jpg)
Work it 3
• Lifting a 2 kg object 3m up requires how many Joules of energy
![Page 15: Jeopardy review mfe ch 4](https://reader033.vdocuments.site/reader033/viewer/2022052900/555cfe67d8b42a08668b52b6/html5/thumbnails/15.jpg)
Work it 4
• The thumbtacks holding up the posters up in this room are doing a very small amount of work T/F?
![Page 16: Jeopardy review mfe ch 4](https://reader033.vdocuments.site/reader033/viewer/2022052900/555cfe67d8b42a08668b52b6/html5/thumbnails/16.jpg)
Wasteland 2
• A machine that requires 200 J of work and puts out 50 J of work is how efficient?
![Page 17: Jeopardy review mfe ch 4](https://reader033.vdocuments.site/reader033/viewer/2022052900/555cfe67d8b42a08668b52b6/html5/thumbnails/17.jpg)
Power rangers 3
• Doing a certain amount of work in less time means you use less power T/F?
![Page 18: Jeopardy review mfe ch 4](https://reader033.vdocuments.site/reader033/viewer/2022052900/555cfe67d8b42a08668b52b6/html5/thumbnails/18.jpg)
1 pt: Work it
• Equation, Definition and Units for Work
![Page 19: Jeopardy review mfe ch 4](https://reader033.vdocuments.site/reader033/viewer/2022052900/555cfe67d8b42a08668b52b6/html5/thumbnails/19.jpg)
2 pts: work it
• If you push a 3,000 N piano sideways a distance of 2 m, how much work was done?
![Page 20: Jeopardy review mfe ch 4](https://reader033.vdocuments.site/reader033/viewer/2022052900/555cfe67d8b42a08668b52b6/html5/thumbnails/20.jpg)
Wasteland 3
• Describe one way to make a pulley system more efficient.
![Page 21: Jeopardy review mfe ch 4](https://reader033.vdocuments.site/reader033/viewer/2022052900/555cfe67d8b42a08668b52b6/html5/thumbnails/21.jpg)
Go cry to MA 4
• A machine with a mechanical advantage between what two numbers will multiply distance?