Engineering Mechanics Questions

• The path of the projectile is a parabola.
• Mass moment of inertia of a uni form thin rod of mass M and length (l) about its mid-point and perpendicular to its length is
• One watt is equal to
• The bodies which rebound after impact are called
• A smooth cylinder lying on its convex surface remains in __________ equilibrium.
• A body of weight W is required to move up on rough inclined plane whose angle of inclination with the horizontal is α. The effort applied parallel to the plane is given by(where μ = tanφ = Coefficient of friction between the plane and the body.)
• A redundant frame is also called __________ frame.
• If two blocks of equal mass are attached to the two ends of a light string and one of the blocks is placed over a smooth horizontal plane while the other is hung freely after passing over a smooth pulley, then the two blocks will have some motion.
• The centre of gravity of an equilateral triangle with each side a, is __________ from any of the three sides.
• Which of the following is an equation of linear motion?(where, u and v = Initial and final velocity of the body, a = Acceleration of the body, and s = Displacement of the body in time t seconds.)
• two like parallel forces are acting at a distance of 24 mm apart and their resultant is 20 N. It the line of action of the resultant is 6 mm from any given force, the two forces are
• The force required to move the body up the plane will be minimum if it makes an angle with the inclined plane __________ the angle of friction.
• The force which acts along the radius of a circle and directed away from the centre of the circle is called centrifugal force.
• The maximum frictional force, which comes into play, when a body just begins to slide over the surface of the other body, is known as
• The range of a projectile is maximum, when the angle of projection is
• The term 'force' may be defined as an agent which produces or tends to produce, destroys or tends to destroy motion.
• Static friction is always __________ dynamic friction.
• The friction experienced by a body, when in motion, is known as
• According to principle of conservation of energy, the total momentum of a system of masses in any direction remains constant unless acted upon by an external force in that direction.
• In the shown figure, if the angle of inclination of the plane is increased, then acceleration of the system will