Unit 2 - Forces and Motion Flashcards
1
Q
force
A
a push or a pull, which may cause a change in an object’s motion
2
Q
contact force
A
forces that affect each other while touching
3
Q
magnet
A
an object that attracts iron and a few other - but not all - metals
4
Q
balanced forces
A
forces that cancel each other out because they are EQUAL in size and OPPOSITE in direction
5
Q
unbalanced forces
A
forces that cause a change in MOTION because they don’t cancel each other out
6
Q
net force
A
the combination of all the forces acting on an object
7
Q
static electricity
A
the buildup of electric charges on an object
8
Q
gravity
A
a force that pulls two objects toward each other, such as the force between Earth and the objects on it
