Questions LLC
Login
or
Sign Up
Ask a New Question
Physics
Mechanics
Simple Machines
A student uses a pulley to lift a log. In 1-2 sentences, explain how she can calculate the pulley's efficiency.
1 answer
The student can calculate the pulley's efficiency by dividing the work output by the work input. This will give the student a percentage that represents the efficiency of the pulley.
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)
What is accomplished by a simple pulley?
A.) It changes the distance of the pull needed to lift the object. B.) It changes the
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 +
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
At CHMSC Mechanic Shop a pulley system is used to lift engines from cars. The pulley system consists of a cable that goes around
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
A student adds sodium hydroxide (NaOH to the solution at equilibrium. In one to two sentences, describe and explain any changes
Mechanical Advantage The pulley system shown in the figure is used to lift a m= 67-kg crate. Note that one chain connects the
