For work to be done on an object. A. The object must not move. B. Only some force is need to be exerted on the object. C. The object must move, whether or not a force is exerted on it. D. The object must move in the same direction in which the force is exerted.

as technology advances, new experiments often expose problems in accepted theories. c

hope i

-lavira: )

u can delete ur account.

1. go on google and write

2 open this and click on your profile pic and if your profile is not appearing, then u have to log in.

3. when u click on your profile pic, there appears four options on the top.

4. click on the 1st option and scroll down and go at the bottom.

5. click on edit profile.

6. there appears a option 'prefernces' and at that option at the right side , 'edit' is written.

7. click on the edit option.

8. there is a option " i want to delete my account" and click on that.

hope this u

and ur welcm

: )