Hot Student Stories
top-5-grammar-and-spelling-checkers-to-rock-in-2019

How do simple machines help us?

Jeffrey Rodriguez

in Homework Help

follow
followin
1 answer
0 views

1 answer


Kathy Robinson on November 2, 2018

Simple machine help us do work like lifting heavy things we can't lift. This was done by an 8th grader at berea middle school.


Add you answer