Gamergirlgwyneth12
contestada

An artist is creating a gigantic mobile using old cars. On one end of the mobile, a 2100 lb Plymoth is suspended 30 feet from the fulcrum. In order for the mobile to be balanced, where should the artist suspend a 1400 lb Volkswagon?

a
20 feet from the fulcrum

b
7 feet from the fulcrum

c
45 feet from the fulcrum

d
on the fulcrum

Respuesta :

sqdancefan

Answer:

  c  45 feet from the fulcrum

Explanation:

The moment at the fulcrum must be the same for each car. If the distance is d, then the artist must have ...

  (2100 lb)(30 ft) = (1400 lb)(d)

  2100·30/1400 ft = d = 45 ft

The Volkswagen should be 45 ft from the fulcrum.

janlee113

Answer:

C. 45 feet from the fulcrum

  • That artist should suspend a 1400 lb/pounds Volkswagen.

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