Pulley physical science lab 2

Physics
Tutor: None Selected Time limit: 1 Day

what value does counting the number of support strings give you?

what is the purpose of a fixed pulley?

how does the pulley help us do work?

May 15th, 2015

what value does counting the number of support strings give you
    mechanical advantage

what is the purpose of a fixed pulley

to lift load

how does the pulley help us do work

 The pulley is  used to lift a
heavy object (load) by reducing the effort required in lifting the load 

May 15th, 2015

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May 15th, 2015
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May 15th, 2015
Dec 6th, 2016
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