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Compound Pendulum
When a rigid body is suspended vertically and it oscillates with a small amplitude under…
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D-Alembert’s Principle
What is D-Alembert's Principle in Engineering Mechanics? Consider a rigid body acted upon by a…
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Equation of the Path of a Projectile
Different equations used in projectile motion to calculate time of flight, horizontal range, maximum height…
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Center of Percussion / Oscillation
Sometimes, file center of oscillation is termed as center of percussion. It is defined as that point at which…
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Couple – Moment of a couple
What is definition of Couple in engineering mechanics? Define moment of a couple? The two…
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Effort Required to Move the Body on an Inclined Plane
Effort Required to Move the Body Up an Inclined Plane The effort (P) required to move the…
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Projection & Motion Important formulas
Projection: Projectile fired at an angle with Horizontal: Time of flight: It is the time taken…
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Motion of a man in a lift
Case (1): When the lift is accelerated upward: Suppose, ‘R’ be the upward thrust of the floor on…
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Angle of Repose
Angle of Repose - Where the angle of inclination (α) of the plane is equal…
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Motion of a body vertically downward & vertically upward
Motion of a body vertically downward: When a body is releasedfrom rest at a certain height…