Mech: Forces + Newton's Laws Flashcards
(17 cards)
1
Q
Five types of forces
A
2
Q
Particle meaning
A
3
Q
Light & thin meaning
A
4
Q
static & equilibrium meaning
A
5
Q
Rough vs smooth meaning
A
6
Q
uniform meaning
A
7
Q
rigid, inextensible & fixed meaning
A
8
Q
plane vs beam meaning
A
9
Q
Basic S.I units
A
10
Q
Slope model: diagram & assumptions
A
11
Q
flat surface model: diagram & assumptions
A
12
Q
Mass held by strings; diagram & assumptions
A
13
Q
If line swings through angle …
A
Ncos(x’)
14
Q
Newton’s 1st law
A
A body will stay at rest or maintain a constant velocity - unless acted on by an extra force
15
Q
Newton’s 2nd law
A
F = ma
16
Q
Newton’s 3rd law
A
2 bodies in contact with each other will apply equal in magnitude & opposite in direction forces on each other.
17
Q
Friction coefficient
A