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ID: 1876122 • Letter: L

Question

leviewView Calibri (Body) . A-Av A·ng Share ^ , 11 :-,-, E,2-5 A/.. Paste :-' : ' , Styles Styles Pane Fulcrum at: 14.5 cm Trial Load Di Distance Effort (mass) Effort-Fulcrum Effort Distance Ratio Distance Ratio (mass)Load- Fulcrum Load Distance 7 11 quarter 5.0cm 1 quarter 7.0cm 1.5 2 2 quarters 7.0cm 3 3 quarters 10.0cm 1 quarter 11.0cm 1.57 1 quarter 15.0cm 1.50 | 1 quarter | 18.5cm 1.32 4 4quarters 14.0cm Sample Calculation of Expected Ratio for Trial 2: Data Table 2: First Class Lever 110% Page 1 of 3 555 words Orgo Lab 4 0

Explanation / Answer

IN THE FIRST GRAPH

expected ratio is Load/Effort ( mass)

so,

Trial Load Effort Expectd ratio

1 1 1 1

2 2 1 2

3 3 1 3

4 4 1 4

mechanical advantage = Load/Effort

Trial Load Effort MA

1 0.13g 0.97 1.31474

2 0.18g 1.3 1.35830

3 0.21g 1.5 1.3734

4 0.245g 1.9 1.264973