Ex 4B, p. 97-104 Forces - complete
Ex 4D, p. 108-112 Momentum (Conservation of Momentum)
Ex 4C, p. 105-107 Impuse - start
Linerising Graphs in Physics
Linerisation of Data
Momentum
Conservation of Momentum
In the absence of external forces the total momentum of a system is always conserved
Impulse
The change in Momentum for a single object
ΔP = Pf - Pi
&
ΔP = FΔt
&
ΔP = mΔv
- The unis are eithor Ns or kgms-1 , this is the same unit and the one that is used depends on the context
- Impulse on one object is always equal and opposite to the impulse on the other onject - Newton's Third Law
Physics of Car Crashes (Impulse)
Impulse
Momentum
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