Les 3 lois de Newton Flashcards

1
Q

le référentiel est

A

supposé galiléen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

1er loi (formule)

A

somme des forces = 0 si repos ou MRU

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Px et Py dans un plan incliné (1er loi)

A

Px = my * sin(alpha)
Py = -mg * cos(alpha)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

2e loi (formule)

A

somme des forces = m * a

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Plan incliné sans frottement (2e loi) P * N =

A

m * a

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

(newton plan incliné) Vx (t) et Vy(t)

A

Vx(t) = gsin(alpha)t = dx/dt
Vy(t) = 0 = dy/dt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

(newton plan incliné) OM

A

Om = 0.5gsin(alpha)*t^2
0

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

(newton chute libre) P

A

P = 0
-mg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

(newton chute libre) a

A

a= ax=0
ay=-g

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

(newton chute libre) V

A

V = Vx(t)= 0
Vy(t)= -gt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

(newton chute libre) OM

A

OM = x(t)= X (position initial)
y(t)= -0.5gt^2 + h

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

3e Loi

A

principe d’addition réciproque
Fa/b = -Fa/b

How well did you know this?
1
Not at all
2
3
4
5
Perfectly