while dragging or lifting on object negetive work is done by 1)the app

1.	while dragging or lifting on object negetive work is done by 1)the applied force 2)gravitational force 3)frictional force 4)reaction force plz tell option
Answer» Answer: 2)GRAVITATIONAL FORCE 3)FRICTIONAL force both is CORRECT

while dragging or lifting on object negetive work is done by 1)the applied force 2)gravitational force 3)frictional force 4)reaction force plz tell option

Answer»

Answer:

2)GRAVITATIONAL FORCE 3)FRICTIONAL force both is CORRECT