Question

While developing the concept of simple machines a set of labelled examples were given by the teacher. Identify the negative example.

• A. Lever
• B. Wedge
• C. Wheel
• D. Crane

Answer 1

Answer:

D. Crane

• A simple machine is a mechanical device that changes the direction or magnitude of a force.

• Essentially, they are the basic building blocks of all more complex machines

The six classic types of simple machines are:

• Lever

• Wheel and axle

• Pulley

• Inclined plane

• Wedge

• Screw