what is potential energy? - stored energy , what is kinetic energy? - the energy an object possesses due to its motion , what causes friction - physical roughness of the surfaces involved , What is balanced force - two or more forces of equal strength acting on an object , what is unbalanced force - forces doesn’t have an equal amount of strength or direction which causes a change in the objects motion , does gravity bring object down ward or upwards - downwards, is mass and weight the same thing ? Yes or no - No, what is an reaction - two or more substances are transformed into different substances , what is velocity? Speed,direction or both - both, what is acceleration - Change in speed direction or both , what is inertia - resist a change in motion , what is velocity - speed and direction , what is direction - the path an object moves, points or faces to, what is normal force - an support force acting to prevent an object from passing through , what is net force - the overall single force, what is magnetic force - attraction or repulsion between electrically charged partiodue to their motion , what is air resistance - the force of air pushing against an object in motion , what is volume - the capacity a container has to hold something ,

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