The moment of inertia of a square of side a about its base is a4/ 3.

More Questions from Engineering Mechanics

• If tension in the cable supporting a lift moving downwards is half the tension when it is moving upwards, the acceleration of the lift is
• Coplaner concurrent forces are those forces which
• The loss of kinetic energy due to direct impact of two bodies __________ upon the value of coefficient of restitution.
• The unit of power in S.I. units is
• The centre of gravity of a right angled triangle lies at its geometrical centre.
• If the gravitational acceleration at any place is doubled, then the weight of a body will be
• The resultant of two forces P and Q (such that P > Q) acting along the same straight line, but in opposite direction, is given by
• The time of flight (t) of a projectile on a horizontal plane is given by
• Two equal and opposite parallel forces whose lines of action are different form a couple.
• When a particle moves along a circular path, its acceleration has two components, one is normal component and the other is tangential component of acceleration.

Discussion & Comments