Download - Non-linear Power Point
![Page 1: Non-linear Power Point](https://reader035.vdocuments.mx/reader035/viewer/2022062310/56816698550346895dda8468/html5/thumbnails/1.jpg)
Non-linear Power Point
7th Grade Super ReviewBy: Ms. Stipa
![Page 2: Non-linear Power Point](https://reader035.vdocuments.mx/reader035/viewer/2022062310/56816698550346895dda8468/html5/thumbnails/2.jpg)
Work and Simple Machines Review
This is a short review to test your mind. Do you know what it means to do work? Can you identify simple machines and their uses?
For each question, select the best answer. Follow the onscreen directions and navigation buttons to make your way through the questions.
![Page 3: Non-linear Power Point](https://reader035.vdocuments.mx/reader035/viewer/2022062310/56816698550346895dda8468/html5/thumbnails/3.jpg)
Question 1A). Spending all day to writing a report.
B)Leaning against the wall.
C)Holding two books for ten seconds.
D) Raising and lowering a light object three times.
Which is an example of work?
![Page 4: Non-linear Power Point](https://reader035.vdocuments.mx/reader035/viewer/2022062310/56816698550346895dda8468/html5/thumbnails/4.jpg)
Oops!
Click icon to add picture
That’s okay. Go back and try again
![Page 5: Non-linear Power Point](https://reader035.vdocuments.mx/reader035/viewer/2022062310/56816698550346895dda8468/html5/thumbnails/5.jpg)
You’re a smartie pants!
Click icon to add picture
![Page 6: Non-linear Power Point](https://reader035.vdocuments.mx/reader035/viewer/2022062310/56816698550346895dda8468/html5/thumbnails/6.jpg)
Question 2A) Be at a constant velo
city in the direction of the force.
B) Accelerate at 9.8 m/s2.
C) Be exerted in the same direction as the object’s motion.
D)Move some distance.
In order to do work on an object, such as pulling a sled, the force must:
![Page 7: Non-linear Power Point](https://reader035.vdocuments.mx/reader035/viewer/2022062310/56816698550346895dda8468/html5/thumbnails/7.jpg)
Oops!
Click icon to add picture
That’s okay. Go back and try again
![Page 8: Non-linear Power Point](https://reader035.vdocuments.mx/reader035/viewer/2022062310/56816698550346895dda8468/html5/thumbnails/8.jpg)
You’re a smartie pants!
Click icon to add picture
![Page 9: Non-linear Power Point](https://reader035.vdocuments.mx/reader035/viewer/2022062310/56816698550346895dda8468/html5/thumbnails/9.jpg)
Question 3A) Yes. A force is a force, n
o matter what direction it moves. So, you always do work.
B) No. Force must cause motion that is in the same direction as the force.
C) Yes. The force is within us all… Now, where did I leave my lightsaber…?
D) No. You only do work when the force moves the object forward.
If you exert a force, do you always do work?
![Page 10: Non-linear Power Point](https://reader035.vdocuments.mx/reader035/viewer/2022062310/56816698550346895dda8468/html5/thumbnails/10.jpg)
Oops!
Click icon to add picture
That’s okay. Go back and try again
![Page 11: Non-linear Power Point](https://reader035.vdocuments.mx/reader035/viewer/2022062310/56816698550346895dda8468/html5/thumbnails/11.jpg)
You’re a smartie pants!
Click icon to add picture
![Page 12: Non-linear Power Point](https://reader035.vdocuments.mx/reader035/viewer/2022062310/56816698550346895dda8468/html5/thumbnails/12.jpg)
Question 4A) Machines alter the force
the pulls objects toward each other (gravity).
B) Machines change the amount of input force required, the input distance required, and/or the direction of a force.
C)Machines overcome friction.
How do machines make work easier if they do not decrease the amount of work you need to do?
![Page 13: Non-linear Power Point](https://reader035.vdocuments.mx/reader035/viewer/2022062310/56816698550346895dda8468/html5/thumbnails/13.jpg)
Oops!
Click icon to add picture
That’s okay. Go back and try again
![Page 14: Non-linear Power Point](https://reader035.vdocuments.mx/reader035/viewer/2022062310/56816698550346895dda8468/html5/thumbnails/14.jpg)
You’re a smartie pants!
Click icon to add picture
![Page 15: Non-linear Power Point](https://reader035.vdocuments.mx/reader035/viewer/2022062310/56816698550346895dda8468/html5/thumbnails/15.jpg)
Question 5A) Multiplying input forc
eB) Adjusting gravity to
make the object lighter.
C) Increasing output distance
D)Changing the direction of the input force.
Which is not an example of how a machine can make work easier?
![Page 16: Non-linear Power Point](https://reader035.vdocuments.mx/reader035/viewer/2022062310/56816698550346895dda8468/html5/thumbnails/16.jpg)
Oops!
Click icon to add picture
That’s okay. Go back and try again
![Page 17: Non-linear Power Point](https://reader035.vdocuments.mx/reader035/viewer/2022062310/56816698550346895dda8468/html5/thumbnails/17.jpg)
You’re a smartie pants!
Click icon to add picture
![Page 18: Non-linear Power Point](https://reader035.vdocuments.mx/reader035/viewer/2022062310/56816698550346895dda8468/html5/thumbnails/18.jpg)
Question 6A)A wheel.
B)A doorknob.
C)A flashlight.
D)A car.
Which is an example of a simple machine?
![Page 19: Non-linear Power Point](https://reader035.vdocuments.mx/reader035/viewer/2022062310/56816698550346895dda8468/html5/thumbnails/19.jpg)
Oops!
Click icon to add picture
That’s okay. Go back and try again
![Page 20: Non-linear Power Point](https://reader035.vdocuments.mx/reader035/viewer/2022062310/56816698550346895dda8468/html5/thumbnails/20.jpg)
You’re a smartie pants!
Click icon to add picture
![Page 21: Non-linear Power Point](https://reader035.vdocuments.mx/reader035/viewer/2022062310/56816698550346895dda8468/html5/thumbnails/21.jpg)
Question 7A) An inclined plane goi
ng up the stairs?B) A lever to raise it up.C) A pulley system.D)A wedge.
To lift a heavy box to the second floor of our school and through a window, would you use:
![Page 22: Non-linear Power Point](https://reader035.vdocuments.mx/reader035/viewer/2022062310/56816698550346895dda8468/html5/thumbnails/22.jpg)
Oops!
Click icon to add picture
That’s okay. Go back and try again
![Page 23: Non-linear Power Point](https://reader035.vdocuments.mx/reader035/viewer/2022062310/56816698550346895dda8468/html5/thumbnails/23.jpg)
You’re a smartie pants!
Click icon to add picture
![Page 24: Non-linear Power Point](https://reader035.vdocuments.mx/reader035/viewer/2022062310/56816698550346895dda8468/html5/thumbnails/24.jpg)
ReferencesScience Explorer: Motion, forces, and
energy. Teacher’s Edition (2002). Needham, MA: Prentice Hall.
![Page 25: Non-linear Power Point](https://reader035.vdocuments.mx/reader035/viewer/2022062310/56816698550346895dda8468/html5/thumbnails/25.jpg)
Template Provided By
www.animationfactory.com
500,000 Downloadable PowerPoint Templates, Animated Clip Art, Backgrounds and Videos