Questions LLC
Login
or
Sign Up
Ask a New Question
Physics
Mechanical Systems
Pulleys
A student uses a pulley to lift a log. In 1-2 sentences explain how she can calculate the pulleys efficiency
1 answer
To calculate the pulley's efficiency, she would divide the output work (the weight of the log) by the input work (the force she applies to lift the log).
You can
ask a new question
or
answer this question
.
Related Questions
A mechanic wants to use a compound pulley to lift a go-kart from the ground to work table, a distance of 1.2 meters. Without the
1. Determine the effort required to lift a load of 100 N using:
(a) Using a single fixed pulley (b) A single movable pulley (c)
This is a logs question
If u=x/y^2, which expression is equivalent to log u? 1) log x + 2 log y 2) 2(log x- log y) 3) 2(log x +
What is accomplished by a simple pulley?
A.) It changes the distance of the pull needed to lift the object. B.) It changes the
A mechanic wants to use a compound pulley to lift a go-kart from the ground to work table, a distance of 1.2 meters. Without the
Use the picture to answer the question.
An illustration shows a man lifting a box using a pulley. What is accomplished by this
Use the picture to answer the question.
An illustration shows a man lifting a box using a pulley. What is accomplished by this
Mechanical Advantage The pulley system shown in the figure is used to lift a m= 67-kg crate. Note that one chain connects the
A student adds sodium hydroxide (NaOH to the solution at equilibrium. In one to two sentences, describe and explain any changes
What is accomplished by this simple pulley?
(1 point) • It changes the duration needed to lift the object. • It changes the
