Question #48b19

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