General Science class 6 chapter 9 Forces and Machines MCQs

1. For lifting quite a heavy load such as in shipyards. Which types of the pulley are used…………..

2. A combination of fixed and movable pulleys are also known as a………..

3. Gear is also important simple………

4. Gear is just a wheel with teeth, sometimes called a………….

5. To do any work with gear, need to have at least …….with their teeth fitting into each other.

6. When two gears mesh together, the second one always turns in the………………….

7. If you drive a large gear with small gear, you can decrease the speed, It is called………………………….

8. If you drive a small gear with a larger gear, you can increase the speed, It is called……………..

9. A bicycle uses a kind of …….. with chain instead of a rope.

10. In bicycle the moving chain makes the back wheel turn and that pushes the bicycle…………..