a. an applied force greater than its weight.
b. a net force greater than zero.
c. an opposing force.
d. movement in same direction as the force.
2007-05-22 18:10:08 · 9 answers · asked by R S 1 in Science & Mathematics ➔ Other - Science
d. this is because the formula W= FD, where W = work done, F= force and D = Distance moved in teh direction of the force.
2007-05-22 18:14:05 · answer #1 · answered by Anonymous · 0⤊ 0⤋
b.
A person pushing on an immovable object is doing work, he is burning calories.
A system ending with a hydraulic ram that is pushing on an immovable object is doing work via the engine that provides the power to drive the hydraulic pump to pressurize the system.
Any force provided that is greater than zero is the result work being done, by something or another.
2007-05-23 16:18:20 · answer #2 · answered by gatorbait 7 · 0⤊ 0⤋
d Work = force x distance moved (in the direction of the force)
2007-05-23 07:28:47 · answer #3 · answered by rosie recipe 7 · 0⤊ 0⤋
I would have to say D, because the scientific definition of work is Force * Distance. If there is no distance, there is no work.
2007-05-23 01:14:27 · answer #4 · answered by Erich W 2 · 0⤊ 0⤋
d. displacement, or movement.
i'll give u a simple example. if i ask u to write a report, and u sit for hours thinking but u didnot write a thing, did u achieve any work?
2007-05-23 06:55:29 · answer #5 · answered by lord 3 · 0⤊ 0⤋
d.
work equals force times distance.
2007-05-23 01:14:57 · answer #6 · answered by Paleobob 1 · 0⤊ 0⤋
d
2007-05-23 01:16:02 · answer #7 · answered by davec996 4 · 0⤊ 0⤋
It's d
2007-05-23 06:17:46 · answer #8 · answered by PHP 1 · 0⤊ 0⤋
d.
2007-05-23 01:14:06 · answer #9 · answered by DAVID C 3 · 0⤊ 0⤋