Calculating Mechanical Advantage

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Calculating Mechanical Advantage

• Inclined Plane, Pulley, Lever

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Mechanical Advantage- Inclined Plane
distance
height
Mechanical Advantage distance
height
3

• Now show me what you have learned!

4

• What is the mechanical advantage of a ramp that
  is 10 meters long and 2 meters high?

10 meters
2 meters
A. 20 B. 5 C. 0.2 D. 10
5

• What is the mechanical advantage of a ramp that
  is 12 meters long and 4 meters high?

A. 3 B. 48 C. 4 D. 0.3
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Mechanical Advantage- Pulley
MA count the of supporting ropes
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• Now show me what you have learned!

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• What is the mechanical advantage of the pulley A,
  B, and C?

MA 4
MA 3
MA 3
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Mechanical Advantage- Lever
MA distance of the EFFORT arm
distance of the RESISTANCE arm
MA Output Force (Newtons)___
Input Force (Newtons)
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• What is the mechanical advantage of the lever
  below?

MA distance of the EFFORT arm
distance of the RESISTANCE arm
2 cm
4 cm
A. 8 B. 0.5 C. 2 D. 4
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• What is the mechanical advantage of the lever
  below?

MA distance of the EFFORT arm
distance of the RESISTANCE arm
10 cm
5 cm
A. 5 B. 0.5 C. 2 D. 50
12

• What is the mechanical advantage of the lever
  below?

MA Output Force (Newtons)___
Input Force (Newtons)
30 N
60 N
A. 180 B. 20 C. 30 D. 2
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• What is the mechanical advantage of the lever
  below?

MA Output Force (Newtons)___
Input Force (Newtons)
5 N
20 N
A. 4 B. 100 C. 5 D. 0.25