Physics Practice: Simple Machines (Mock Test 1 - Basic)
1. A device which allows us to do work more easily and faster is called a:
2. The force applied to a machine to do work is called:
3. The fixed point about which a lever turns is known as the:
4. Which of these is a simple machine consisting of a rigid bar?
5. A slanted surface used to move heavy loads to a height is a/an:
6. In a Class I lever, what is located in the middle?
7. A pulley that remains attached to a fixed support is called a:
8. Which machine is used to change the direction of applied force?
9. A pair of scissors is an example of a:
10. The resistance to be overcome by a machine is called:
11. A wheel with a grooved rim used with a rope is a:
12. Mechanical Advantage (M.A.) is calculated as:
13. In a Class II lever, which part is in the middle?
14. A nutcracker is an example of which type of lever?
15. A staircase is a modified form of a/an:
16. The ratio of work output to work input is called:
17. Which class of lever always has the effort in the middle?
18. A see-saw is a simple machine belonging to:
19. Which machine is used to sharpen pencils or split wood?
20. Fishing rods and sugar tongs are examples of: