Forces on systems isn't really the hardest lesson , but sometimes I feel like I don't know how to order my equation.
The systems I take :
Pulley " atwood machine " ( whether it is 2 objects hanging or 1 object sitting while the 2nd object pulls it )
Torque " see saw " or " balance questions "
Spring ( two objects connected by a spring , 1 gets pushed, and the force gets distributed ).
Ok, so I know there is no such thing as tips and tricks in physics since it depends on understanding, but I was looking forward to some stuff like :
What equals what
What usually has to be negative and positive ( since objects go up and down ) ex; work - motion (object that went up) = work + motion ( object that went down)
How do you know the external and internal forces
Yeah, so I want stuff like that , or like any random help / main idea
The picture is an example problem of what we take, torque to be exact.