1. What is a force?, A push or pull, A type of matter, A form of energy, A measurement of time, What is the SI unit of force?, Meter, Newton, Kilogram, Joule, What happens when balanced forces act on an object?, The object always accelerates., The object changes direction., The object's motion does not change., The object always falls., What happens when you apply force to a ball at rest?, It may start moving., It changes its color., It loses its mass., It disappears., In a free-body diagram, what does an arrow pointing downward commonly represent?, Normal force, Gravitational force, Applied force, Frictional force

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