Driving to work one morning, you get a flat tire. When using the car jack, you apply 120 N of force to the jack and the jack in

Question

4 years ago

14

turn applies 2000 N of force to lift the car up. What is the mechanical advantage of the jack? (Chapter 4 – Page 111)

1 answer:

svetlana [45] · Answer 1 · 2022-01-06T01:23:50+03:00

16.7

Explanation:

Given parameters:

Force applied to Jack = 120N

Force produced by Jack = 2000N

Unknown:

Mechanical advantage of jack = ?

Solution:

Mechanical advantage is the ratio of force produced by the device and the force applied on it.

It is used to access the performance of a machine.

M.A = \frac{force output}{force input}

Now input the parameters;

M.A = $\frac{2000}{120}$

M.A = 16.7

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