Simple Machines

To use force to move an object

• Work

• Simple Machine

• Screw

• Inclined plane

A simple machine is a

• lever

• tool that makes work easier

• work

• fulcrum

A simple machine that is made of 2 inclined planes placed back to back

• wheel and axle

• screw

• wedge

• lever

A simple machine that has a wheel with a rope or chain around it

• lever

• wheel and axle

• fulcrum

• pulley

A simple machine that is a bar that rests on a fulcrum

• wheel and axle

• wedge

• work

• lever

A simple machine that is an inclined plane wrapped around a pole

• lever

• wedge

• work

• screw

A simple machine with a slanted surface that connects a lower place with a higher place

• lever

• inclined plane

• work

• screw

A simple machine that has a wheel attached to a smaller round bar

• wedge

• inclined plane

• wheel and axle

• pulley

The support on which a lever rests is called a _________.

• wedge

• work

• lever

• fulcrum

Which are examples of a wedge?

• shovels, teeth, saw, scissors, ice picks

• well, elevator, flagpoles, curtains, blinds

• seesaw, crowbar, fishing line, oars, wheelbarrows

• ramps, sloping roads and hills, hatchets, and plows

• door knob, screwdriver, steering wheel, egg beater