robert7248 robert7248

06-02-2019
Mathematics

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What is the mechanical advantage of the screw shown below?

A. 1.3
B. 3.9
C. 8.0
D. 10.4

What is the mechanical advantage of the screw shown below A 13 B 39 C 80 D 104 class=

Respuesta :

smmwaite smmwaite

06-02-2019

Answer:

C. 8.0

Step-by-step explanation:

The mechanical advantage is got from dividing the circumference of the shaft by the pitch of the screw.

Therefore, the circumference= 2πr

=2×π×2.3mm

=14.45mm

Mechanical advantage=14.45mm/1.8mm

=8.03

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