The unit of power in S.I. units is

More Questions from Engineering Mechanics

• 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.
• The moment of inertia of a sphere of mass m and radius r, about an axis tangential to it, is
• The velocity ratio for the third system of pulleys is
• The velocity ratio for the first system of pulleys is(where n is the number of pulleys.)
• Three forces acting on a rigid body are represented in magnitude, direction and line of action by the three sides of a triangle taken in order. The forces are equivalent to a couple whose moment is equal to

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