Simple Machines - types and function

What is a simple machine?

• A. An electrical device that makes work easier

• B. A mechanical device that makes work easier

• C. a machine that makes work easier

A simple machine that pivots at a point, is called a:

• A. Lever

• B. Fulcrum

• C. Pulley

Which simple machine is made by joining two incline plane at right angle to each other?

• A. Lever

• B. Wedge

• C. A ramp

What am I? I am comprised of a grooved wheel, with a cord looped around me.

• A. Pulley

• B. Gears

• C. Wheel and axle

I am a smooth disc connected to a shaft, which simple machine am I?

• A. Pulley

• B. Gears

• C. Wheel and axle

I am a slanted surface used to raise a load. What type of simple machine am I?

• A. Pulley

• B. Wedge

• C. Inclined plane

I am a slanted surface, wrapped around a pole in a spiral. What type of simple machine am I?

• A. Incline plane

• B. Screw

• C. Wedge

Can openers, ice tongs, scissors, wheel burrows and clothes pins are examples of this type simple machine?

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Door knobs, ferris wheel and car steering are examples of:

• A. gears

• B. wheel and axle

• C. pulley

Ramps, door cotch, and stairway/case are examples of :

• A. Inclined plane

• B. Wedge

• C. Screw