Work = Force * Distance
Force = 200N (gravity already taken into account because of N)
Distance =1.5m
Work = 200N * 1.5m Work = 300N*m = 300 Joules
Step Forward
Step Forward
The quantity of air in the atmosphere above our head is about 250 kilograms which is about the weight of two baby elephants. But we don't feel the enormous weight is balanced by the pressure exerted by the blood and other fluids present in our body
The total work done on the weight is zero.
"header" is a beam (usually at least 2 2x6's) above the door in the wall to keep the weight from above from pushing down on the door and making it inoperable. the header sits on jack studs on each side of the doorway. they take the weight from above
In weight lifting you just have to have the weights of varies weights to be able to lift then slowly lift them above your head then slowly back down again.
trophies weights basket ball tennis racket
No, a 300 pound man couldn't carry around a 100 pound head.
kinetic energy and net force
You can infer that she is working on building up her strength.
Supraspinatus, infraspinatous, teres minor, triceps brachii, deltoids and the trapezius muscles are used. Use the internet to find ways to do the Overhead Press.
the weight of the human head is 7.30% of the total body weight. ISRAEL