Laws & Equations Flashcards
0
Q
Momentum
A
Mass x velocity
1
Q
Force
A
Mass x acceleration
2
Q
Velocity
A
Speed x direction
3
Q
Acceleration
A
Change in velocity
4
Q
Angular momentum
A
Orbiting/rotating motion
5
Q
Momentum
A
Mass in motion, on the move
6
Q
Newton’s 1st law
A
An object at rest stay at rest, an object in motion stays in motion
7
Q
Newton’s 2nd law
A
F=ma
8
Q
Newton’s 3rd law
A
For every force there is an equal and opposite reaction force
9
Q
Weight
A
Mass x gravity
10
Q
Angular momentum
A
Mass x velocity x radius
11
Q
Torque
A
External twisting force that changes angular momentum
12
Q
Mass-energy
A
E=mc2
13
Q
Newton’s laws of universal gravitation
A
- Every mass attracts every other mass 2. Attraction is directly proportional to the product of their masses 3. F=G(M1M2)/d2
14
Q
Kepler’s 1st Law
A
Orbits of planets are ellipses with the sun at 1 focus
