Across
- 4. How many types of pulleys are there ?
- 5. What type of simple machine is a ramp ?
- 6. An axe is which type of simple machine ?
- 7. Two or more simple machines together ?
Down
- 1. What is the base of the lever ?
- 2. Dumbles are which type of simple machine ?
- 3. When we want to attach two things which simple machine do we use ?