2. Domestic and Industrial Machines

3. Isn’t this odd?

4. Review: Simple Machines

5. Domestic Machines
Nail clippers, tongs, bottle openers, etc.

6. Bicycle
Uses a multiple pulley system attached with a chain to change gears

7. Industrial Machines Compound machines used in industry
Typically deal with large forces or very fast motion
Back Hoe
Crane

9. Block and Tackle
System of cables and pulleys designed to lower the force required to lift object
Lowers the force but extends the distance that you have to pull over
Force is divided by the number of support strands

11. Chain Hoist
Consists of an endless chain that wraps around two pulleys that have teeth
The IMA of the machine is determined by the ratio of teeth on the smaller pulley compared to the large pulley

12. Tower Crane