Poll

Do you trust the mainstream media?
  • 100% of the time
  • 75% of the time
  • 50% of the time
  • 25% of the time
  • Never
If you would like to vote in this poll, please login or register.
New Topic  
ppk
wrote...
*
Posts: 3564
Credits: 4940
4 years ago
A rope is held from one end in such a way that the lower end just touches a table. The rope is then lowered onto the table with constant velocity. The force that is needed to hold the upper end of the rope is
A) equal to the weight of the portion of the rope that is not on the table.
B) greater than the weight of the portion of the rope that is not on the table.
C) less than the weight of the portion of the rope that is not on the table but not zero N.
D) zero N.
E) Cannot be determined without additional information.
  • Read 1276 times
  • 1 Reply
replies
wrote...
*
*
4 years ago
A
New Topic      
This topic is currently locked from adding new posts. Only administrators and moderators can reply. If you'd like to contribute to this topic, start a new thread and make reference to this one. Otherwise, contact a moderator for more options.

Control Panel

Click to Ask a Question
451 Students and 40 members are standing by to answer your homework problems, free. So far today, 233 guests have joined.
Ask a Question Add Gallery Image Add New Term
Dictionary
Search Images
Free PubMed Mathematics Tools Equation Balancer Play a Game
Related Images
2834
0
07/21/12

844
0
07/21/12

599
0
09/14/12