# Glencoe Science Level Blue

## Chapter 20: Work and Simple Machines

### Calculating Work

 1 A runner impacts the ground with a force of 1083 N. If he runs a distance of 3000 m, how much work does the runner do? A) 2,500,000 J B) 3,212,000 J C) 3,249,000 J D) 3,255,000 J 2 A runner impacts the ground with a force on her heel of 2000 N. If she runs a distance of 3000 m, how much work does the runner do? A) 6,200,000 J B) 5,000,000 J C) 5,500,000 J D) 6,000,000 J 3 An average golfer hits a golf ball with a force of 3800 N. If the club contacts the ball for a distance of 0.01 m, how much work is done? A) 42 J B) 38 J C) 45 J D) 35 J 4 A strong golfer hits a golf ball with a force of 18,000 N. If the club contacts the ball for a distance of 0.01 m, how much work is done? A) 180 J B) 220 J C) 170 J D) 155 J 5 An average golfer uses a putter on a golf ball with a force of 1200 N. If the club contacts the ball for a distance of 0.01 m, how much work is done? A) 100 J B) 120 J C) 95 J D) 125 J 6 An experimental jet engine flies a distance of 30,000 m in a test flight with a force of 3700 N, how much work is done? A) 90,500,000 J B) 100,000,000 J C) 111,000,000 J D) 120,000,000 J 7 A jet engine moves a distance of 40,000 m with a force of 44,000 N, how mcuh work does the jet engine do? A) 1,760,000,000 J B) 1,700,000,000 J C) 2,000,000,000 J D) 2,200,000,000 J 8 A basket of apples weighs 12 N. If the basket is lifted by a grocer a distance of 0.8 m, how much work does the grocer do? A) 10 J B) 9.2 J C) 8.8 J D) 9.6 J 9 A sack of hamburgers weighs 6 N. If the sack is lifted a distance of 1 m, how much work is done? A) 8 J B) 6 J C) 10 J D) 12 J 10 A dozen bagels weighs 11 N. If the bag is lifted a distance of 1.5 m, how much work is done? A) 17.9 J B) 15.5 J C) 16.5 J D) 14.2 J