Flashcards in Forces Deck (12):
A force is push r pull.
The strength of a force is measured in the SI unit called the newton (N), after scientists Sir Isaac Newton.
The combination of all the forces on an object is called net force.
The force that two surfaces exert on each other when they rub against each other is called friction.
Sliding friction occurs when two solid surfaces slide over each other.
Static friction acts between objects that aren’t moving.
Fluid friction occurs hen a solid object moves through a fluid.
When an object rolls across a surface, rolling friction occurs.
Gravity i a force that pulls objects toward each other.
Mass is measured of the amount of matter in an object
Weight is a measure of the force of gravity on an object.