Top Posters
Since Sunday
g
3
3
2
J
2
p
2
m
2
h
2
s
2
r
2
d
2
l
2
a
2
Home Q & A Board Science-Related Homework Help High School Level Science
New Topic  
afret afret
wrote...
Go to Answer
Posts: 7
Rep: 0 0
A year ago
How does the pulley make work easier?

a
It changes the mass of the piano, making it easy to raise
 b
It changes the direction of the force applied to raise the piano
 c
It changes the duration of time to raise the piano
 d
It changes the amount of energy needed to raise the piano
Read 96 times
1 Reply
Replies
Answer verified by a subject expert
ginastarginastar
wrote...
#1
Posts: 2
Rep: 0 0
A year ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

afret Author
wrote...

A year ago
Good timing, thanks!
annakc
wrote...

Yesterday
Just got PERFECT on my quiz
jamiebonf99
wrote...

2 hours ago
Helped a lot
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1047 People Browsing
 128 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 2078
  
 1377
  
 347
Your Opinion
Where do you get your textbooks?
Votes: 328
Previous poll results: Who will win the 2024 president election?