Simple Pendulum
A simple pendulum, in its simplest form, consists of a heavy bob suspended at the end of a light inextensible and flexible string as shown in Fig. 1.33. The other…
Varignon’s Principle of Moments
Varignon's Principle of Moments (or Law of Moments) It states that if a number of coplanar forces acting on a particle are in equilibrium, then the algebraic sum of their moments…
Superelevation | Angle of Inclination
Definition and formula of Superelevation and Angle of Inclination in Roadway and Highway (or railway). Whenever a roadway (or railway) is laid on a curved path, then its outer edge is always…
Torsional Pendulum
What is a Torsional Pendulum and formula of its periodic time? Why it is used and for what experiments? It is used to find the moment of inertia of a…
Velocity and Acceleration of a Particle Moving With Simple Harmonic Motion
For Velocity and Acceleration of a Particle Moving With Simple Harmonic Motion (SHM), consider a particle, moving round the circumference of a circle of radius r, with a uniform angular velocity ω rad/s, as…
Speed, Velocity, Acceleration, Retardation
What is Speed, Velocity, Acceleration, and Retardation in Engineering Mechanics? Speed It is the rate of change of displacement with respect to its surrounding. Since the speed of a body…
Truss or Frame
What is a truss or frame? How can we classify trusses based on number of members in a frame? What is a deficient and redundant frame? A truss or frame…
System of Forces
When two or more than two forces act on a body, they are said to form a system of forces. Following are the various system of forces: 1. Coplanar forces. The forces, whose…
Systems of Pulleys
What is Systems of Pulleys? Differentiate first, second and third Systems of Pulleys. The following three systems of pulleys are commonly used : 1. First system of pulleys. For such a system,…
Motion of a Lift or Elevator
Describe Motion of lift or an Elevator. How do we calculate tension in the cable supporting the lift/elevator? Consider a lift (elevator or cage) carrying some mass and moving with…
