When you lift a barbell from the floor directly to shoulder height it's call a "clean."
abduction
you have to put the lift on any floor then put another lift directly above the 1st one. If you want to skip a floor put the lift shaft in between the 2 lifts on the floor you want it never to stop on.
The answer depends on the mass of the piano and the height of the floor.
42
It is possible to use either the lift or the stairs to get to the second floor, but from there up to the third floor you have to use the lift .
The lift is on basment floor 2 but the key is on basement floor 3.
A shoulder lift of another person
PE=mgh m=mass g=gravity h= height 10x1.5x9.81=147.15 Joules
Because he or she can't press the 12th floor on the lift, he or she only can press the 5th floor. That's why the person has to walk.
twin post lift scisor lift floor jack bottle jack
a dog
The shoulder muscles