Forces Revision Crossword Puzzle

QUESTIONS LIST: tension : a contact force transmitted through a rope or similar object when forces pull on the object's opposite ends, fulcrum : the pivot of a lever, three : a spear thrower is this class of lever (one, two or three), direction : when you put force onto a tennis racket to hit a ball, you are changing the _ of the ball, spring balance : an instrument used to measure pulling force, newtons : forces are measured in.., resistance : the part of a lever that you are trying to move (and is pushing against your force), contact : this type of force occurs when two objects touch, independent : the variable that you change in an investigation, speed : when you put force onto the brakes of a car, you are changing the _ of the car, shape : when you put force onto clay you change the _ of the clay, effort : the part of a lever that you push down on, friction : the force between two surfaces sliding past each other