Answer:

6.2nd class

7.2nd class

8.3rd class

9.1st class

10.2nd class

11.1st class

12.2ns class

13.3rd class

14.1st class

15.2nd class

Answer:

6. Third Class.

7. Second Class.

8. First Class.

9. Third Class.

10 Third Class.

11. First Class.

12. Second Class.

13. Second Class.

14. First Class.

15. First Class.

Explanation:

1st class levers – Fulcrum in the middle - 2nd class levers – Load in the middle - 3rd class levers – Effort in the middle Every lever is made up of three parts: Exam tip 1: The middle component will determine whether a lever is 1st, 2nd or 3rd class!