Mechanical Work | Definition | Formula
What is Mechanical Work? Definition and Formula of workdone? Whenever a force (F) acts on a body and the body undergoes a displacement (x) in the direction of the force, then…
Lifting Machine (Lift)
Lift / Lifting machine - Mechanical advantage, Velocity Ratio, Efficiency, Reversible or non-Reversible machine. It is a device, which enables us to lift a heavy load W, by a comparatively…
Minimum Force Required to Slide a Body on Horizontal Plane
Minimum Force Required to Slide a Body on a Rough Horizontal Plane Let a body A of weight W is resting on a rough horizontal plane B, as shown in…
Force – Basic Definition
Force may be defined as an agent which produces or tends to produce, destroy or tends to destroy the motion of a body. A force while acting on a body may…
Equations of Linear Motion
What are equations of linear motion? How can we use these equations to find displacement, velocity, and acceleration? Following are the equations of linear motion: where u = Initial velocity,…
Mechanical Power | Definition | Formula
What is definition and formula of Mechanical Power? It is the rate of doing work or workdone per unit time. In S.I. system of units, the unit of power is watt (briefly…
Limiting Angle of Friction
Limiting Angle of Friction is defined as the angle which the resultant reaction (R) makes with the normal reaction (RN). Consider a body A of weight W resting on a…
Elastic and Inelastic Collisions
Understanding conservation of energy using collision of elastic and inelastic bodies Consider the impact between two bodies which move with different velocities along the same straight line. It is assumed…
Centripetal and Centrifugal Force
Defining Centripetal Force Centripetal force is the component of force acting on an object in curvilinear motion which is directed toward the axis of rotation or centre of curvature. The…
Closely Coiled Helical Spring
Consider a closely coiled helical spring whose one end is fixed and the other end carries a load W=mg, as shown in Fig. 1.34. Let AA be the equilibrium position of the…
