PRESENTATION OUTLINE
1. Contact forces
act only when one system touches another.
2.Field forces
Forces can also be exerted between objects that are not touching.
3.balanced and unbalanced forces
-Balance forces
FORCES WHOSE PUSHES AND PULLS CANCEL EACH OTHER OUT.
-Unbalanced forces
IF ONE FORCE IS LARGER THAN THE OTHER, THEN AN UNBALANCED FORCEs acts on the system
the rate of change of the speed or velocity during a given time interval.
a system is simply the rate of motion.
Untitled Slide
- A PROPERTY OF MATTER THAT CAN BE USED TO IDENTIFY CERTAIN KINDS OF MATTER, ESPECIALLY PURE SUB- STANCES.
The space enclosed or occupied by an object
INDICATE THE AMOUNT OF MATTER IN AN OBJECT