Exercise 2.3: Mechanical Advantage

Exercise 2.3

Mechanical Advantage
In the exercise below, calculate the advantage of the following machines and make sure that you show your work:

1. Machine 1 has an input force of 28 N and an output force of 140 N.

What is the mechanical advantage.

2. Machine 2 has an input force of 112 N and an output force of 392 N.

What is the mechanical advantage.

3. Machine 3 has an input force of 75 N and an output force of 450 N.

What is the mechanical advantage.