A lever amplifies an input force to provide a greater output force, which is said to provide leverage. We are aware that there are various types of levers depending upon the position of …

A wheelbarrow is an example of a compound machine. In a wheelbarrow, the functionality of a wheel and axle is combined with that of a lever. Many compound machines can be formed …

A lever is a rigid, straight, or bent bar that is capable of turning about a fixed axis. The following is a table showing the differences between the three kinds of levers.

Question Give two examples each of levers of first, second, and third-order. Solution First class lever: This is a type of lever which has the fulcrum in between the weight and the force …

Explanation A Lever is a straight or bent rigid bar, capable of turning around a fixed point or an axis, commonly called a fulcrum Classification According to where the load and effort are …

Diagrammatic representation of three types of levers: EXAMPLES: The fulcrum of the 1st Class Lever is located between the load and the effort. For example, a pair of scissors, a see-saw, …

Total anticlockwise moments: Length of lever arm = (50 – 30) = 20 cm = 0.20 m Since the length of the lever arm is the distance from its mid-point, where its balanced force applied = 10 N …

Draw a labelled sketch of a class III lever. Give one example of this kind of lever. State the kind of lever which always has the mechanical advantage less than 1. Draw a labelled diagram of …

What Is Torque? Torque is the measure of the force that can cause an object to rotate about an axis. Force is what causes an object to accelerate in linear kinematics. Similarly, torque is …

Torque Solved Examples Underneath are some problems on torque which gives one an idea of how to calculate the terminologies related to torque. Problem 1: The width of a door is 40 cm. …