_____ _______ is when two objects interact but they don´t make _____ or _____ each other.
non contact, contact, touch
The more mass an object has, the more ______ is exerts.
gravity
_____ _____ is when objects touch and exert force on each other.
contact force
forces can change an object´s _______ and direction.
movement
Forces can change the ____ of an object.
shape
_____ can change an objects movement or ______ of movement.
forces, direction
Magnetic forces ____ or ____ other metal objects.
attract or repel
The earth´s gravity keeps the moon in _____.
orbit
Gravity is a force that pulls ______ with mass toward each other.
objects
Examples of non contact forces are ____ and ______
gravity and magnetism