Renew Newton's 2nd law Flashcards

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1
Q

Definisie - Newton’s 2nd Law

A

Netto of resultante krag wat op liggaam inwerk is gelyk aan tempo waarteen momentum verander

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2
Q

Newton’s 2nd Law

A

Fnet = ▲p/▲t

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3
Q

Newton’s 2de Wet - verhouding tussen beweging van liggaam en netto krag op liggaam

A

Fnet = MAnet

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4
Q

Formulas

A

Fnet = MAnet
Fnet = m▲v/▲t
Fnet = m▲v/▲t
Fnet = ▲p /▲t

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5
Q

Momentum and velocity

A

Vectors - Positive Direction

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6
Q

Momentumverandering
‘n tennisbal (0.1 kg) val en tref vloer met afwaartse snelheid van 5 m/s. Bal bons dan weer opwaarts met snelheid van 3 m/s.
Aanvangsmomnetum - Pi
Finale Momentum - Pf

A

Pi = mvi
= (0.1)(+5)
= 0.5 kg/m/s

Pf = mvf
= (0,1)(-3)
= - 0.3
= 0.3 kg/m/s opwaarts

▲p = pf - pi
= mvi - mvf
= (-0.3) - (-0.5)
= - 0.8
= 0.8 kg/m/s opwaarts

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7
Q
A
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7
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