1. the work done on the object is positive
2. the work done on the object is negative
3. the work done on the object depends on the magnitude and direction of the force
4. no work is done
2006-10-23 10:08:01 · 5 answers · asked by Foamy H 1 in Science & Mathematics ➔ Physics
Okay
very clever
Are you Chinese?
2006-10-23 10:14:25 · answer #1 · answered by Anonymous · 0⤊ 3⤋
No work is done. Work is defined as Force * Displacement, so if the object doesn't move then Displacement = 0, and therefore the work done is also 0.
2006-10-23 17:11:40 · answer #2 · answered by nice2mice 2 · 0⤊ 0⤋
4) Since work = force x displacement = force x 0 = 0
Th
2006-10-23 17:19:18 · answer #3 · answered by Thermo 6 · 0⤊ 0⤋
the 4 is correct because if you can not move a thing then you don't have those works .
2006-10-23 17:17:02 · answer #4 · answered by arash 3 · 0⤊ 0⤋
no work is done...i just finished studying this and i have a test day after tomorrow in matter/energy class
2006-10-23 17:15:35 · answer #5 · answered by luiz 3 · 0⤊ 0⤋