Question

Lever, inclined plane, screw, wedge, pulley, wheel, and axle are the six machines that make our day-to-day life easier. But one of the simple machines does not move while at work. Identify the simple machine. Explain why it is considered a simple machine.

Answer 1

1. Out of lever, inclined plane, screw, wedge, pulley, wheel and axle an inclined plane is a simple machine that does not move while doing work.
2. An inclined plane is nothing but a slope over which a load can be pushed up.
3. For example, a ramp is an inclined plane that is used in hospitals so that wheelchairs carrying patients can be pushed easily.
4. Therefore an inclined plane reduces the effort needed to lift the objects therefore it acts as a force multiplier.
5. Inclined plane as shown in the diagram-
   
6. An inclined plane is a simple machine as it is a basic machine that allows us to perform a task with much less effort.