What is this?
Wheel and axel
What is this?
Inclined Plane
What is this?
wedge
What simple machine are the ropes on a sailboat?
Pulley
What is this?
lever
What is this?
inclined plane
What is this?
Screw
What is this?
Screw
What is this?
screw
What is this?
wheel and axle
What is this?
screw
What is this?
Pulley
What is this?
pulley
What is this?
Pulley
What is this?
Wedge
What is this?
Lever
What is this?
inclined plane
What is this?
Lever
What is this?
Wheel and Axel
What is this?
Incline plane
What is this?
lever
What is this?
Screw