Draw lever systems having the following AMA s: (Show your diagrams to the instructor) = 1 3. AMA E AMA. = %3! f

Glencoe Physics: Principles and Problems, Student Edition
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Chapter10: Work, Energy And Machines
Section: Chapter Questions
Problem 77A
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Draw lever systems having the the following AMAf AMAf=2 AMAf=1 AMAf=1/2
periment No. 10 -
À Studu
Page
Experiment No. 10 -
A Study of Levers
Activity 10-4:
Mechanical Advantage
The lever is an example of a simple machine. Machines are used to multiply
force (or speed).
For example, the lever below shows that the effort force
has been multiplied by 5.
20 Ib
100 1b
(1)
Because the effort has been mutliplied by 5, we say that the lever has an
actual mechanical advantage of 6orce (AMA-) of 5.
Thus, we see that the
definition of actual mechanical advantage of force is the resistance divided
by the effort.
R
Actual Mechanical Advantage of Force (AMA,)
E
%3D
Draw lever systems having the following AMA s: (Show your diagrams to the
AW instructor)
AMA E
AMA E
AMA
= 2
= 1
For example, the
AMA
ever below has an AMA very close to 4.
ne
of a lever can be estimated from the ED and RD.
Transcribed Image Text:periment No. 10 - À Studu Page Experiment No. 10 - A Study of Levers Activity 10-4: Mechanical Advantage The lever is an example of a simple machine. Machines are used to multiply force (or speed). For example, the lever below shows that the effort force has been multiplied by 5. 20 Ib 100 1b (1) Because the effort has been mutliplied by 5, we say that the lever has an actual mechanical advantage of 6orce (AMA-) of 5. Thus, we see that the definition of actual mechanical advantage of force is the resistance divided by the effort. R Actual Mechanical Advantage of Force (AMA,) E %3D Draw lever systems having the following AMA s: (Show your diagrams to the AW instructor) AMA E AMA E AMA = 2 = 1 For example, the AMA ever below has an AMA very close to 4. ne of a lever can be estimated from the ED and RD.
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