Mechanics of Machines 2 min read
D’Alembert’s principle
D’Alembert’s principle, also known as the Lagrange–d’Alembert principle, is a statement of the fundamental classical laws of motion. It is named after its…
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Mechanics of Machines 8 min read
Torque and rotational inertia
Torque We’ve looked at the rotational equivalents of displacement, velocity, and acceleration; now we’ll extend the parallel between straight-line motion…
Mechanics of Machines 2 min read
Dynamics of Machinery
Relation between motion and forces causing is a fascinating subject. This study is a generally referred as dynamic. Modern Engineering…
Mechanics of Machines 8 min read
Conditions for Static Equilibrium
We say that a rigid body is in equilibrium when both its linear and angular acceleration are zero relative to an inertial…
Mechanics of Machines 2 min read
Drawing Free-Body Diagrams
Free-body diagrams are diagrams used to show the relative magnitude and direction of all forces acting upon an object in…
Mechanics of Machines 6 min read
Constrained Motion and Constraint Forces
Constrained motion results when an object is forced to move in a restricted way. For example, it may have to move…
Mechanics of Machines 2 min read
BELT
The belt or ropes are used to transmit power from one shaft to another shaft by means of pulleys which…
Mechanics of Machines 3 min read
Clutch
Clutch for a drive shaft: The clutch disc (center) spins with the flywheel (left). To disengage, the lever is pulled (black arrow), causing a…
Mechanics of Machines 2 min read
Friction in screw threads
· Friction in screw and nut · Friction in screw jack · Problems in screw jack Screwjack: The screw jack is a device…
