Simple Machines and Mechanical Systems

The 6 simple machines are...

• Lever, nail, screw, pulley, wedge, wheel & axle

• Hammer, inclined plane, screw, pulley, nail, wheel & axle

• Lever, inclined plane, screw, pulley, wedge, wheel & axle

• Inclined plane, diamond, pulley, wedge, metal, wheel & axle

Any device that helps us do work is called.

• A producer

• A machine

• A blessing

• A contraption

Provide an example of a simple machine in real life and explain its function.

Tags

NGSS.MS-PS2-1

Each subsystem in a complex machine contains a simple machine and usually has just one function. List 2 examples of a subsystem on a pedal bike.

The mechanical advantage of a machine is the amount by which a machine can multiply a force.

• True

• False

Input and output forces are measured in...

• Grams

• Pounds

• Newtons

• Joules

The formula for finding the mechanical advantage is...

• Input / output

• output / input

• speed / height

• angle / speed

What class lever is pictured?

• Class 1

• Class 2

• Class 3

• Class 4

Which of these pulley systems will have the least mechanical advantage?

• A

• B

• C

Tags

NGSS.MS-ETS1-2

Which type of simple machine is being used to make this job easier?

• Lever

• Wedge

• Pulley

• Inclined Plane

Tags

NGSS.MS-PS2-1