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## Free Body Diagram Quiz Review

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**Free Body Diagram Quiz Review**Remember the following about forces A normal force is always ____________ to the surface object rest on. An applied force must be _______________ to be considered in a free body diagram. A projectile does _____ have an applied force in the direction the object is moving.**Free Body Diagram Quiz Review**Remember the following about forces When an object is moving along a surface, the _____________________must be added unless otherwise stated. Gravitational force always has an acceleration of _____________. Gravitational force is always ________ down.**Free Body Diagram Quiz Review**Remember the following about FBD problems Construct the free body diagram _________ to determine the forces at work on the object. Try to determine the _________ as soon as possible using F=ma if the problem does not state the object’s ___________. Cancel out any ________ forces when possible. An object moving at a ______________should have a net force of zero.