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