FORCES Flashcards
1
Q
Acceleration formula
A
A=Force/mass
2
Q
Centripetal force
A
Fc=(m)v²/r
3
Q
Centrifugal force
A
F=(m)v²/r
4
Q
Angular speed
A
w = v/r
Unit (rad/sec)
5
Q
Angular speed
A
w = v/r
Unit (rad/sec)
6
Q
Kinetic energy
A
KE = 1/2(m)(v²)
7
Q
Gravitational Potential Energy
A
GPE = mgh
8
Q
Mechanical Energy
A
PE¹+KE¹ = PEf+KEf
9
Q
Hooke’s law of elastic potential energy
A
K spring constant = F/X
10
Q
Momentum
A
Momentum = mv
11
Q
Change in momentum
A
Fnet = ∆P/∆t
12
Q
Collisions
A
M¹V¹+M²V²
13
Q
Dry Friction
A
F = uN
14
Q
Tan0 for dry Friction
A
F/N
15
Q
Resultant of coplanar concurrent ftce system
A
R = √Rx²+Ry²
