Engineering Mechanics Questions

• Two blocks A and B of masses 150 kg and 50 kg respectively are connected by means of a string as shown in the below figure. The tension in all the three strings __________ be same.
• In collision of elastic bodies, the coefficient of restitution is the ratio of the relative velocity after impact to the relative velocity before impact.
• The moment of inertia of a rectangular section 3cm wide and 4cm deep about X-X axis is
• The three forces of 100 N, 200 N and 300 N have their lines of action parallel to each other but act in the opposite directions. These forces are known as
• D' Alembert's principle basically depends upon Newton's second law of motion.
• A pendulum which executes one beat per second is known as
• The unit of force in S.I. system of units is
• The negative acceleration is called retardation.
• The length of a second's pendulum is
• A screw jack used for lifting the loads is
• Joule is the unit of
• When a body of mass m attains a velocity v from rest in time t, then the kinetic energy of translation is
• A number of forces acting at a point will be in equilibrium, if
• The forces which meet at one point, but their lines of action __________ on the same plane, are Known as non-coplaner concurrent forces.
• The forces, whose lines of action are parallel to each other and act in the same directions, are known as
• The moment of inertia of a solid cone of mass m and base radius r about its vertical axis is
• The force induced in the string AB due to the load W, as shown in the below figure is
• According to Newton's first law of motion,
• The kinetic energy of a body __________ upon its mass and velocity.
• A force while acting on a body may