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.
Yes, lifting a pencil requires using muscles, which is considered physical work. However, in the context of physical activity or exercise, lifting a pencil would not be considered a significant form of exercise.
EnduranceHypertrophyStrength
do anything from dance to running or weight lifting
Lifting a box involves exerting force to overcome gravity and move the box vertically. Work is defined as force applied over a distance, so lifting a box requires work to be done against the force of gravity as the box is raised. Thus, lifting a box involves transferring energy to the box to move it to a higher position.
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.
False
Lifting a 50 kg sack a vertical distance of 2 m requires more work, as work is calculated as force multiplied by distance. In this case, the weight of the sack (force) is higher, resulting in more work done compared to lifting a 25 kg sack a vertical distance of 4 m.
Sliding usually requires less work than lifting. Lifting involves using more muscle strength and expending energy, while sliding takes advantage of gravity and requires less physical effort.