Rörelse begrepp med dess formel och SI-enhet Flashcards

1
Q

Acceleration

A

a= Δv/ Δt = v sluthastighet minus starthastighet / t sluttid minus starttid [m/s^2]
Paraplybegrepp

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

Densitet

A

P=m/V [kg/m^3]
massa per volym

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

Medelacceleration

A

am= Δv/ Δt [m/s^2]
(am= v slut - v start / t slut - t start)

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

Momentanhastighet

A

v= Δs tang/ Δt tang [m/s]
(velocity= där delta sträcka/tid tangeras i grafen)

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

Medelhastighet

A

Vm= Δs/Δt [m/s]

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

Hastighet

A

v [m/s]
Paraplybegrepp

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

Sträcka

A

s [meter]
(≠ längd,
Längd = rakt avstånd mellan 2 punkter
Sträcka = totala vägen ett objekt rört sig, oavsett riktning)

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

Tid

A

t [sekund]

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

Fart

A

[m/s]
Fart - storhet - storlek ej riktning
Hastighet - vektor - storlek och riktning

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

m har olika betydelser och står för bl. a (3 ex):

A

m - medel
m - massa
m -meter

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

Tre vektorer:

A

Kraft, hastighet och acceleration

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

Momentanacceleration

A

Acceleration vid en viss tidpunkt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Formel för hastighet vid viss tidspunkt

A

v= v start(0) + a t
Förtydligande:
Hastighet vid tiden = starthastigheten + accelerationen * tiden

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Formel sträcka

A

s = v0(start) * t + at^2 / 2
sträcka = v0 starthastighet * tid + acceleration * tid ^2 / 2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Formel medelhastighet vid konstant acceleration

A

vm=v0 + v / 2
start + sluthastighet / 2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Förändringsfaktor hastighet

A

3,6
km/h —> m/s = /3,6
m/s —> km/h = * 3,6

17
Q

Förändringsfaktor temp

A

K —> °C = -273
°C —> K = +273