Top Posters
Since Sunday
g
1
New Topic  
einsteindude einsteindude
wrote...
Posts: 5058
10 years ago
Suppose you slowly, and at constant speed, lift a book weighing 12 N from the floor to a shelf 2 m above the floor. Neglect air resistance. While you are lifting, the net force on the book is       

A) zero.
B) 12 N directed downward.
C) 12 N directed upward.
D) more than 12 N, by an amount that depends on the speed of lifting.
E) less than 12 N, by an amount that depends on the speed of lifting.
Textbook 
Conceptual Physical Science

Conceptual Physical Science


Edition: 6th
Authors:
Read 273 times
1 Reply
Replies
Answer accepted by topic starter
mel!811mel!811
wrote...
Top Poster
Posts: 2794
10 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1449 People Browsing
Show Emoticons
:):(;):P:D:|:O:?:nerd:8o:glasses::-):-(:-*O:-D>:-D:o):idea::important::help::error::warning::favorite:
Related Images
  
 421
  
 378
  
 328
Your Opinion
What percentage of nature vs. nurture dictates human intelligence?
Votes: 452