What is a force and how does it act on an object?
A force is a push or pull
A force can act directly on an object
a force can act on an object from a distance
What happens when multiple forces act on an object?
Net Force:
The forces can be balanced
The forces can be unbalanced
What is Newton's First Law of Motion?
An object at rest stays at rest
Inertia:
An object in motion stays in motion
What is Newton's Second Law of Motion?
Force equals mass times acceleration
What is Newton's Third Law of Motion?
Objects exert force on each other
Forces in pairs have equal size but opposite directions
Forces acting in pairs can have unequal effects