Question #a77d5 Physics Work and Energy Simple Machines 1 Answer JS Jun 7, 2017 See below. Explanation: Wedge Answer link Related questions What is a lever? What is a pulley? How do a wheel and axle work? Why are simple machines not 100% efficient? Why is a fork a wedge? Why is a knife a wedge? Why is a ladder an inclined plane? Why is a zipper a simple machine? Why were simple machines invented? Question #8e654 See all questions in Simple Machines Impact of this question 1467 views around the world You can reuse this answer Creative Commons License