Question

Find the odd one out.

a ramp, a gang plane, a staircase, steering wheel

Answer 1

1. Inclined plane: A ramp, a gangplank, and a staircase are also known as the inclined plane it is a flat surface whose endpoints are at different heights.
2. inclined plane, a simple machine consisting of a sloping surface, is used for raising heavy bodies.
3. Inclined plane helps you to do work by applying less effort.
4. The mechanical advantage of an inclined plane is greater than 1.
5. Wheel and axle essentially consist of two cylinders of different diameters joined together, such that if one is made to rotate the other also rotates.
6. The cylinder with a bigger diameter is called a wheel, whereas the one smaller diameter is called an axle.
7. Ex: water tap, the doorknob, steering wheel, etc.

Hence, the odd one is the steering wheel.