Physics Practice: Simple Machines (Mock Test 2 - Intermediate)
1. Which part of a lever is the distance between the fulcrum and the point where the effort is applied?
2. A wheel and axle works on the principle that a small effort on the wheel produces a:
3. A bottle opener is a lever of which class?
4. Why is an inclined plane helpful in lifting heavy objects?
5. A door knob is an example of which simple machine?
6. The Mechanical Advantage of a Single Fixed Pulley is exactly:
7. A wedge is essentially composed of two ________ placed back-to-back.
8. In a Class III lever, the Mechanical Advantage is always:
9. Which machine is basically an inclined plane wrapped around a cylinder?
10. When using a hammer to pull out a nail, it acts as a:
11. For a machine to be 100% efficient, which condition must be met?
12. A pair of tongs (used to hold hot coal) is an example of:
13. The distance between two consecutive threads of a screw is called its:
14. Which simple machine is used in a crane to lift heavy building materials?
15. In a Class II lever, the Effort arm is always ________ than the Load arm.
16. The handle of a screwdriver acts as the ________ and the shaft as the ________.
17. An ideal machine has an efficiency of:
18. A ramp leading to a hospital entrance is an example of an:
19. Which of the following increases the Mechanical Advantage of a lever?
20. An axe used for splitting wood is a type of: