CH. 1 Kinematics and Dynamics formulas Flashcards
1
Q
Component Vectors
A
X= Vcos theta Y = V sin theta
2
Q
determination of direction from component vectors
A
tan inversa ( Y/X)
3
Q
Dot product
A
AB cos (theta)
4
Q
Cross product
A
AB sin theta
5
Q
Universal gravitation equation
A
G m1 * m2/ ( r^2)
6
Q
static friction
A
0
7
Q
kinetic friction
A
Fk= uk * normal force
8
Q
Force of gravity ( weight )
A
F= m*g
9
Q
average acceleration
A
delta v/ ( delta *t)
10
Q
Newtons 1st law
A
F= m*a=0
11
Q
Newtons 2nd law
A
F= m*a
12
Q
Newtons 3rd law
A
Fab= -Fba
13
Q
Kinematics ( no displacement)
A
V= v0 + at
14
Q
Kinematics ( no final velocity)
A
X= v0 + at^2/ ( 2)
15
Q
Kinematics ( no time)
A
V= v0 + 2ax
16
Q
Kinematics ( no acceleration)
A
x= vt
17
Q
Components of gravity on ( inclined plane )
A
F ( parallel) = mg sin (theta)
F ( perpendicular) mg cos ( theta)
18
Q
Centripetal fore
A
Fcent= mv^2 / r
19
Q
torque
A
T= r*F * sin ( theta)
