Question

Calculate the mechanical advantage of a lever that has an input force of 15 N and an output force of 60 N. *

Answer 1

Answer:

4

Explanation:

Mechanical Advantage is given as a ratio of the force a machines gives out to the force that it receives.

Simply put, it is the ratio of output force to input force:

$MA = \frac{OF}{IF}$

We are given that:

OF = 60 N

IF = 15 N

Hence, the Mechanical Advantage of the lever is:

$MA = \frac{60}{15} \\\\\\MA = 4$

It is a ratio so it has no unit.

Answer 2

Answer:

Explanation:

Given that, .

Input effort is 15N

Fi = 15N

Output effort is 60N

Fo = 60N

Then,

Mechanical advantage(M•A) is the ratio of two forces, and it is also referred to has force ratio.

M•A = Output Force / Input Force

M•A = Fo / Fi

M•A = 60 / 15

M•A = 4

The mechanical advantage is 4