|
|
|
3
|
a wheel with a rope that lets you change the direction in which you move an objects
|
|
5
|
forces that act on an object but cancel out each other
|
|
6
|
a ramp or another sloping surface
|
|
7
|
the force produced by a magnet
|
|
8
|
that makes a task easier by changing the size or diretion over which the forces acts
|
|
10
|
forces that act on an object and dont cancel out each other unbalanced forces cause a change in motion
|
|
11
|
the balance points on a lever that supports the arm but does not move
|
|
13
|
a push or pull to move stop or change direction
|
|
14
|
the upward forces exerted on an object by water
|
|
15
|
the force of attraction
|
|
16
|
a wheel with a rod or axle in the center
|
|
|
