Scenario 1: A Moving Toy Car

System: Toy car
Initial State: A toy car was moving at constant speed along a smooth horizontal surface.
Final State: The toy car moved at a higher constant speed after a child pushed it.
Remarks: Nil
Initial Amount of Energy of the System
System
Final Amount of Energy of the System
Energy / Units
C
E
G
I
K
N
Energy Transfer In:
Type Of Transfer
Propagation of waves Propagation of waves Propagation of waves Propagation of waves
Heating Heating Heating Heating
Electrically Electrically Electrically Electrically
Electrically Mechanically Electrically Mechanically
------------ ------------

Type Of Transfer
Propagation of waves Propagation of waves Propagation of waves Propagation of waves
Heating Heating Heating Heating
Electrically Electrically Electrically Electrically
Electrically Mechanically Electrically Mechanically
------------ ------------
O
Energy Transfer Out:
Type Of Transfer
Electrically Propagation of waves Electrically Propagation of waves
Electrically Heating Electrically Heating
Electrically Electrically Electrically Electrically
Electrically Mechanically Electrically Mechanically
------------ ------------

Type Of Transfer
Electrically Propagation of waves Electrically Propagation of waves
Electrically Heating Electrically Heating
Electrically Electrically Electrically Electrically
Electrically Mechanically Electrically Mechanically
------------ ------------
Energy / Units
C
E
G
I
K
N
Initial Energy of the System
+
Energy Transferred Into the System
=
Energy Transferred Out of the System
+
Final Energy of the System
Legend:

Electrically

Heating

C - Chemical
E - Elastic
G - Gravitational
I - Internal
K - Kinetic
N - Nuclear

Mechanically

Propagation of waves