how to draw force diagram Flashcards
1
Q
step one
A
identify object
2
Q
step two
A
identify all forces acting on it (exclude forces object exerts on)
3
Q
step three
A
draw object and forces
4
Q
draw object
A
centre
5
Q
start arrow from
A
centre of object
6
Q
make arrows length
A
proportional to force magnitude
7
Q
upward
A
normal force, tension
8
Q
downward
A
gravity
9
Q
left/right
A
applied, friction, air
10
Q
friction and air always
A
opposes the motion
11
Q
equilibrium is
A
if forced cancel at/at rest or constant
12
Q
isn’t equilibrium of
A
forces don’t cancel out and inject accelerates in direction of net force
