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pushes and pulls are things you do when energy is applied
pushes
us
Diaphram
gravity Du
Wind, water, other forces that that pushes or pulls the object.
Pushes and pulls in a particular direction are referred to as forces. These are measured in Newtons, after the famous scientist Sir Isaac newton.
one pushes while the other pulls and vice versa.
force
It is measured in Newtons (N)
Forces
It pulls (or pushes) the cars connected to it.