Introducere

Introducere în mașini simple

Unitatea 1. Simple Machines

1. Satellite Dish

Illustration of satellite antenna

2. Mixer

3. Catapult

4. Crane

5. Basket

6. Mill

Unitatea 2. Simple & Powered Machines

1. Land Yacht

2. Freewheeling

3. Pulleys

4. Power Car

5. Off-centered Motion

6. Gate