7. Lab 7: Work and Energy

7.7. Data and Observations


Table 7.6: Mechanical Advantage

 

 

Resistance Load (left)

Effort Load (right)

Mechanical Advantage

fr

(number of pennies)*

 

dr

(cm)

Wr

 

( )

fe

(number of pennies)*

 

de

(cm)

We

 

( )

 

 

1

3

 

1

3

 

 

 

2

3

 

1

 

 

 

 

4

3

 

1

 

 

 

 

 

*Both f and f are measured in units of pennies.