Investagation 1-What is Force?
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Friction
a force acting between surfaces in contact. Friction acts to resist motion.
Force
a push or a pull
Spring scale
an instrument used to measure force
Kinetic energy
energy of movement
Energy
the ability to apply force over a distance
Newton
the standard unit for measuring force in the metric system
Net force
the sum of all the forces acting on a mass
Interaction
to act on and be acted upon by one or more objects
