What is applied force?
Applied force is any external push or pull exerted on an object by another person or object.
A book rests on a table. What force prevents it from falling through the table?
Normal force
What is gravity?
Gravity is a force of attraction that pulls objects toward the center of Earth or any other massive body.
When you push a box with your hand, the force you exert is called:
Applied force
Why does an object stay at rest on a table?
Because the normal force from the table balances the gravitational force pulling the object down.
What Unit do we Measure Force in?
NEWTONS
A _____ is a support force.
NORMAL
identify force represent W
GRAVITY
What is the normal force?
Normal force is the supporting force exerted by a surface, acting perpendicular to it to balance weight.
As mass increases, what happens to gravitational force?
INCREASES