ocr: MEASURING FORCE - THS units SIZE called ofa force newtons is (N), measured using in an instrument calleda a newton Scale meter or force meter. The meter contains a spring that stretchesin Newton meter direct it proportion and to displays the force the A: ounces weight (100g) of31/2 applied to strength ofthe force on a: scale. pulls on a nenuton The force needed to lift a small meter's spring with apple is about 11 N. When a man aforce ofIN. pushes a broom, he uses a force of about 2 N,and when a golfer drives a ball, he or she exerts a force of about 50 N. Weight of 312 ounces
