MFE - Simple Machines

The six simple machines are the

• inclined plane, wedge, screw, pulley, lever

• inclined plane, wedge, screw, pulley, lever, wheel and axle

• inclined plane, wedge, screw, toaster, lever, wheel and axle

• inclined plane, wedge, light bulb, screw, lever, wheel and axle

A flat, sloped surface is a(n)

• inclined plane.

• lever.

• pulley.

• wheel and axle.

A device that is thick at one end and tapers to a thin end is a(n)

• wedge.

• inclined plane.

• pulley.

• screw.

An inclined plane wrapped around a cylinder is a(n)

• pulley.

• wrench.

• screw.

• lever.

How many classes of levers are there?

• one

• two

• three

• four

Two circular objects that are attached to and rotate around a common axis is a(n)

• wheel and axle.

• screw.

• lever.

• pulley.

A grooved wheel with a rope or cable wrapped around it is a(n)

• pulley.

• lever.

• inclined plane.

• wheelbarrow.

Tags

NGSS.MS-PS2-2

The mechanical advantage of a wheel and axle is found by dividing the

• radius of the wheel by the radius of the axle.

• diameter of the wheel by the diameter of the axle.

• radius of both wheels.

• diameter of both wheels.

The mechanical advantage of the pulley is determined by the number of sections of _________ that hold an object.

• rope

• levers

• inclined planes

• axles

In the human body, muscles and bones act as

• levers.

• pulleys.

• inclined planes.

• simple machines.

Tags

NGSS.MS-LS1-3