unit 6: Lesson 2 vocab/ sci Flashcards
1
Q
A push or pull , which may cause a change in an objects motion
A
force
2
Q
Forces that cancel each other out because they are equal in size and opposite in direction
A
balanced forces
2
Q
A force that acts between two touching objects and that opposes motion
A
friction
3
Q
The force of attraction between objects, such as the attraction between earth and objects on it
A
gravity
4
Q
Forces they causes a change in an objects motion because they don’t cancel each other out
A
unbalanced forces
