Engineering Mechanics - Study Mode
[#211] The law of motion involved in the recoil of gun is
Correct Answer
(C) Newton's third law of motion
[#212] The moment of inertia of a thin rod of mass 'm' and length '$$l$$', about an axis through its centre of gravity and perpendicular to its length is
Correct Answer
(D) $$frac{{{ ext{m}}{l^2}}}{{12}}$$
[#213] The center of gravity of a triangle lies at the point of
Correct Answer
(A) Concurrence of the medians
[#214] The maximum efficiency of a lifting machine is
Correct Answer
(D) $$frac{1}{{{ ext{mVR}}}}$$
[#215] 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
Correct Answer
(C) Limiting friction