Topic 1-3

Question 1

What is a simple machine?

Answer 1

A mechanical devices used for applying force.

Question 2

Examples of simple machines

Answer 2

• Lever
• Pulley
• Wedge
• Screw
• Inclined plane
• Wheel and axel

Question 3

What is the process which transfers energy or power from one place to another without converting its energy?

Answer 3

Transmission

Question 4

What is the relationship between input and output work can be referred to as?

Answer 4

Efficiency