lab 1

1 Fixed Pulley

1 Movable Pulley

2 Pulleys

Effort (g or N)

 0.9 N

 0.49 N

 0.26 N

Effort distance (m)

 0.13 m

 0.18 m

 0.22 m

Resistance (g or N)

 1 N

1 N

 1 N

Resistance distance (m)

 0.01 m

 0.01 m

 0.01 m

Work in

 0.12

 0.09

 0.06

Work out

 1

 1

 1

Efficiency

 12%

 9%

 6%

Mechanical advantage

 1.11 N

 2.04 N

 3.85 N