Machines
IMPORTANT
Science Solutions from Chapter -1 - Machines
This chapter explains the working of a machine. It discusses the block and tackle system. It describes different classes of a lever. We will also learn how to solve questions based on an inclined plane.
Practice Other Topics from Machines
This topic acquaints us with some of the common technical terms related to machines. These include speed, velocity, efficiency, velocity ratio, mechanical advantage and so on. These will help us understand the functions of machines better.

This topic explains to us the relation between efficiency, mechanical advantage and velocity ratio. We will learn that the mechanical advantage is equal in value to the product of efficiency and velocity ratio.
