Physics Ch 4-1 Flashcards
1
Q
unit for force
A
Newton (N)
2
Q
kg*m/s^2
A
label of the unit of force
3
Q
how big or small something is
A
magnitude
4
Q
an action exerted on an object which may change the objects state of rest or motion
A
force
5
Q
the vector sum of all forces action on an object
A
new force
6
Q
the state in which the net force on an object is zero
A
equilibrium
7
Q
a property of matter by which it remains at rest or in unchanging motion unless acted on by some external force
A
inertia
8
Q
an object at rest remains at rest, and an object in motion continues in motion with constant velocity unless the object experiences a net external force
A
Newton’s First Law
9
Q
diagrams that show force vectors as arrows
A
force diagrams
10
Q
force diagrams that only show the forces action on a single object
A
free-force diagrams
