Physics
Physics, 31.07.2019 16:30, makaylahunt

In a pulley setup that has a moving pulley, a.) you have to pull the string a greater distance, but the force needed to lift the mass is cut in half b.)you have to pull the string a greater distance, and it takes more work to lift the mass c.) you don't have to pull very much to lift the mass d.)your work doubles because the pulley moves

answer
Answers: 2

Other questions on the subject: Physics

image
Physics, 22.06.2019 00:30, devaughnnorthcu1565
What is relative velocity? in which condition is relative velocity known by adding the velocity of the first body and that of the second body
Answers: 1
image
Physics, 22.06.2019 07:30, amakayla57
Automobile fuel efficiency is often measured in miles that the car can be driven per gallon of fuel (mpg). heavier cars tend to have lower fuel efficiencies (lower mpg ratings). which variable (weight or fuel efficiency) is most naturally considered the explanatory (predictor) variable in this context?
Answers: 3
image
Physics, 22.06.2019 09:00, jaeana
Abicycle slows down when the rider applies the brakes. what type of energy transformation is involved in this example? a. kinetic energy into heat energy b. heat energy into potential energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy
Answers: 1
image
Physics, 22.06.2019 14:00, mariah10455
Ascientific blank must be testable and capable of being proven false?
Answers: 1
Do you know the correct answer?
In a pulley setup that has a moving pulley, a.) you have to pull the string a greater distance, bu...

Questions in other subjects:

Konu
Mathematics, 26.02.2021 02:10
Konu
Mathematics, 26.02.2021 02:10
Konu
Biology, 26.02.2021 02:10