Matter/motion Crossword
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
 
 
Down: 1) black holes are invisible because their gravitational force is so strong that even ______-cannot escape them2) the rate in the change in velocity3) a push or pull4) force that results from combining all the forces exerted on an object5) a factor that affects the amount of friction6) type of friction that occurs between a liquid or gas and an object8) objects that are close together have a ____-gravitational force than if they were farther apart9) velocity can change in two different ways. If you change the _______, you change the velocity11) the velocity that results from combining velocities13) represents the average speed on a graph of average speed16) the force that opposed motion18) if two vectors are at angles to one another, you must use _______to get the resultant velocity19) objects that have small masses have a ______ gravitational force20) all objects with ______ have gravity22) SI unit for speed24) the amount of ________that two objects touch each other does not affect the amount of friction25) the measure of gravity28) if tow vectors are in opposite directions, you combine them by______them32) if two vectors are going in the same direction you combine them by _______-them together33) when the net force is zero, there is ________ Across: 1) substances used to reduce friction7) forces whose net force is not zero10) negative acceleration12) force of attraction14) we use these units of measure to express force15) an object that appears in place in relation to an object being observed for motion17) type of friction that is balanced with the applied force21) this can only be detected when you observe an object in reference to another object that appears to stay in place23) the moon has less mass than the earth so the moon's gravitational pull on an object would be less and the weight of the object would be _______26) magnitude27) a rate that compares the distance traveled to the time taken to travel the distance29) our weight stays the same everywhere on the earth becasue the gravitational pull of the earth is the ______everywhere30) type of friction that is very effective at opposing motion31) type of friction that is used heavily in the transportation industry34) Newtonian law that describes the relationships between gravitational force, mass and distance35) velocity is speed and _________36) this has magnitude and direction
 

 

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