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Four people are needed to lift a TV set with a single fixed pulley. How many people will be needed to lift the same TV set with a 2 fixed, 2 moveable pulley system? (Ignore friction.)

Sagot :

amattimoe
if they need 4 people to a pulley then they would need a 8 to two pulleys
here is the equation
4people*2/pulley*2
8people/2pulley

nutanraj654

if they need 4 people for a pulley then they would need an 8 to two pulleys

here is the equation

4people*2/pulley*2

8people/2pulley

What are the 3 pulley systems?

There are three main types of pulleys: fixed, movable, and compound.

Why are pulley system used?

A pulley system makes it easier to lift an object than lifting the dead weight by hand. A single pulley essentially changes the direction of the pull or force applied. When a person uses two or more pulleys in a system, then the system also multiplies the force applied besides changing its direction.

Learn more about moveable pulley system at

https://brainly.com/question/24197465

#SPJ2

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