Simple Machines Test Part 1

A tool that helps people do work by changing a force that has few or no moving parts

• Simple Machine

• Velocity

• Force

• Motion

Made up of a slanted surface. Increases distance over which force is used.

• Wedge

• Screw

• Inclined Plane

• Pulley

Made up of two inclined planes, shaped like a V. Changes the direction of a force.

• Wedge

• Screw

• Inclined Plane

• Pulley

Made up of an inclined plane wrapped around a

post. Changes the direction of a force.

• Wedge

• Screw

• Inclined Plane

• Pulley

Made up of a stiff bar that moves freely on a fixed point. Used to help lift objects.

• Wheel & Axle

• Wedge

• Lever

• Screw

Made up of two cylinders that turn on the same axis

• Wheel & Axle

• Wedge

• Lever

• Screw

Made up of a rope fitted around the rim of a fixed wheel. Changes the direction of the force.

• Wedge

• Screw

• Inclined Plane

• Pulley

What kind of simple machine needs a fulcrum?

• Lever

• Wedge

• Pulley

• Wheel & Axle

A see-saw is an example of a ...

• Pulley

• Wheel & axle

• lever

• wedge

A door knob is an example of a ...

• Pulley

• Wheel & axle

• lever

• wedge