A rope that moves over the wheel is called...
pulley
How can a lever help people?
move heavy objects
What do we call a force that slow things down?
Friction
Which force pull things toward Earth?
A _____________ moves something closer to you (pull or push)
pull
A _____________ moves something away from you (pull or push)
push
Some objects move at a fast ______________ while other objects move more slowly.
speed
An object’s __________is the place where it is locate
position
