Work

Amy uses 20N of force to push a lawn mower 10 meters. How much work does she do?

• 2.0 J

• 200 J

• 30 J

How much work does an elephant do while moving a circus wagon 20 meters with a pulling force of 200N at an angle of 20°?

• 3760 J

• 1530 J

• 4000J

A 900N mountain climber scales a 100m cliff. How much work is done by the mountain climber?

• 90 x 10^4 J

• 9.00 x 10^4 J

• 4.5 x 10^4

Tags

NGSS.HS-PS2-1

Shawn uses 45N of force to stop the cart 1 meter from running his foot over. How much work does he do?

• 46 J

• 44 J

• 45 J

How much work is done when a force of 33N pulls a wagon 13 meters at an angle of 35°?

• 350 J

• 260 J

• 400J

How much work is required to pull a sled 5 meters if you use 60N of force?

• 60 J

• 12 J

• 300 J

Tommy does 15 Joules of work to push the pencil over 1 meter. How much force did he use?

• 1.5 N

• 15 N

• 3 N

Angela uses a force of 25 Newtons to lift her grocery bag while doing 50 Joules of work. How far did she lift the grocery bags?

• 2.0 m

• 1250 m

• 0.5 m

Tags

NGSS.MS-PS3-4

The baseball player does 1234 Joules of work when hitting a baseball into left field. Assuming the baseball landed 100 meters away from home plate, how much force did the player use to hit the ball?

• 1.23 x 10^5 N

• 1134 N

• 12.3 N

Tags

NGSS.HS-PS2-1

A force of 715 N is applied to a roller-coaster car to push it horizontally. If 2.72 x 10^4 J of work is done on the car, how far has it been pushed?

• 38.0 m

• 3.80 x 10^-3 m

• 5.60 m

Tags

NGSS.HS-PS2-1