robert7248 robert7248

06-02-2019
Mathematics

contestada

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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