Yes, yes it is. Even though it may nt be heavy, the feather has weight and your hand lifting it is the force.
lifting a feather is effortless.
The pulley makes work of lifting easier then lifting by hand.
EnduranceHypertrophyStrength
do anything from dance to running or weight lifting
it helps with lifting or moving a load.
answer is because lifting a box is gravitational P.E and thinking is not MIGHT BE RIGHT MIGHT NOT
Both require the same amount of work
No........buoyancy.
potential energy
False
Sliding
They work by changing the location of the magnetism. Another way to think of it is by getting a magnet and having a paper clip follow it the paper clip is the platform being used in lifting. In a lifting machine the platform follows where the magnetism is which is what lifts it.