Uploaded by devon.roesener

simple machines combination notes

advertisement
Simple Machines Combination Notes
Name: ________________________
1. ____________ is when an applied __________
Illustration of Work
causes an object to __________ in the direction
of the ____________.
2. Work is done only when an object __________
Examples of Work
in the ________ ____________ of the force
that is being applied.
3. Work = __________ X ____________
4. A ____________ is a device that makes
Examples of Machines
________ easier by changing the ___________
or ____________ of a ____________.
5. ____________ machines have ________ or
more ____________ machines.
6. There are ________ types of simple machines.
1
Simple Machines Combination Notes
Name: ________________________
7. Inclined Plane
Illustration of Inclined Plane
a. ____________, ___________ surface
b. Makes work easier because __________
________________________________
________________________________
8. Describe an example of when you used an inclined plane to make work easier
__________________________________________________________________
__________________________________________________________________
9. Wedge
a. Inclined plane that __________
Illustration of Wedge
b. ________ inclined planes ______________
c. _________ at one end than at the other
d. Makes work easier because ______________________________________
_____________________________________________________________
10. Describe an example of when you used a wedge to make work easier ________
__________________________________________________________________
2
Simple Machines Combination Notes
Name: ________________________
11. Screw
Illustration of a Screw
a. ____________ ____________ wrapped
around a ____________ with a _________
at the tip.
b. Makes work easier because ______________________________________
_____________________________________________________________
c. __________ threads on a screw make it __________ to turn
d. A screw might be a complex machine because it has both an ____________
____________ and a ____________.
12. Lever
a. Made up of a __________ that __________ at a fixed point called a
____________.
b. ____________ applied to a lever is called the ____________.
c. ____________ moved is the ____________.
d. ____________ classes of levers.
13. Levers – First Class
Illustration of a First Class Lever
In a first class lever, the ____________ is in the
____________ and the ____________ and
____________ is on either side.
Be sure to label the fulcrum, effort, and
load
3
Simple Machines Combination Notes
Name: ________________________
14. Levers – Second Class
Illustration of a Second Class
Lever
In a second class lever, the ____________ is at
the ____________, with the ____________ in
the ____________.
15. Levers – Third Class
Be sure to label the fulcrum, effort, and
load
Illustration of a Third Class Lever
In a third class lever, the ____________ is at
the ____________, with the ____________ in
the middle.
Be sure to label the fulcrum, effort, and
load
16. Describe an example of when you used a lever (first, second, or third class) to
work easier ________________________________________________________
__________________________________________________________________
17. Wheel and Axle
a. Consists of two ____________ objects of
Illustration of a Wheel and Axle
____________ sizes.
b. A ________ is connected to a _________.
c. __________ is larger than the __________
d. Makes work easier because ______________________________________
_____________________________________________________________
4
Simple Machines Combination Notes
Name: ________________________
18. Describe an example of when you used a wheel and axle to make work easier
__________________________________________________________________
__________________________________________________________________
19. Pulley
Illustration of a Pulley
a. Wheel and axle with a _________
around the outside.
b. A pulley needs a ________, ________
or ________ around the groove to make it work.
c. Pulley systems can consist of one or more ________ pulleys, one or more
____________ pulleys, or both __________ and ____________ pulleys.
d. Makes work easier because ______________________________________
_____________________________________________________________
20. Describe an example of when you used a pulley to make work easier ____________
__________________________________________________________________
5
Download