Mechanics Flashcards
1
Q
!a!
A
magnitude of force
sqrrt i^2 + j^2
2
Q
^a (hat on top of a)
A
1/!a!
1 over magnitude of force
1/ sqrrt i^2 + j^2
3
Q
q = (3i +4j) ^q =
A
sqrrt 3^2 + 4^2 =5
1/5q = (0.6i +0.8j)
4
Q
distance
A
is the overall distance travelled
5
Q
displacement
A
is the displacement from STARTING POINT only
6
Q
Vector
A
magnitude +direction
7
Q
Scalar
A
magnitude
8
Q
examples of Vector
A
Displacement, velocity, acceleration
9
Q
examples of scalar
A
distance, speed
10
Q
velocity=
A
displacement/tota time
11
Q
velocity time graph
area
A
displacement
12
Q
velocity time graph
gradient
A
acceleration
13
Q
displacement time graph
gradient
A
velocity
14
Q
acceleration time graph
area
A
velocity
15
Q
dsplacement time graoh
to find velocity
A
final displacement/ time
